Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 7 | * |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 14 | * |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 21 | * |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 39 | * |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 51 | * |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] |
| 56 | */ |
| 57 | /* ==================================================================== |
| 58 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
| 59 | * |
| 60 | * Redistribution and use in source and binary forms, with or without |
| 61 | * modification, are permitted provided that the following conditions |
| 62 | * are met: |
| 63 | * |
| 64 | * 1. Redistributions of source code must retain the above copyright |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 65 | * notice, this list of conditions and the following disclaimer. |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 66 | * |
| 67 | * 2. Redistributions in binary form must reproduce the above copyright |
| 68 | * notice, this list of conditions and the following disclaimer in |
| 69 | * the documentation and/or other materials provided with the |
| 70 | * distribution. |
| 71 | * |
| 72 | * 3. All advertising materials mentioning features or use of this |
| 73 | * software must display the following acknowledgment: |
| 74 | * "This product includes software developed by the OpenSSL Project |
| 75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 76 | * |
| 77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 78 | * endorse or promote products derived from this software without |
| 79 | * prior written permission. For written permission, please contact |
| 80 | * openssl-core@openssl.org. |
| 81 | * |
| 82 | * 5. Products derived from this software may not be called "OpenSSL" |
| 83 | * nor may "OpenSSL" appear in their names without prior written |
| 84 | * permission of the OpenSSL Project. |
| 85 | * |
| 86 | * 6. Redistributions of any form whatsoever must retain the following |
| 87 | * acknowledgment: |
| 88 | * "This product includes software developed by the OpenSSL Project |
| 89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 90 | * |
| 91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 102 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 103 | * ==================================================================== |
| 104 | * |
| 105 | * This product includes cryptographic software written by Eric Young |
| 106 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 107 | * Hudson (tjh@cryptsoft.com). |
| 108 | * |
| 109 | */ |
| 110 | /* ==================================================================== |
| 111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 112 | * ECC cipher suite support in OpenSSL originally developed by |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| 114 | */ |
| 115 | /* ==================================================================== |
| 116 | * Copyright 2005 Nokia. All rights reserved. |
| 117 | * |
| 118 | * The portions of the attached software ("Contribution") is developed by |
| 119 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source |
| 120 | * license. |
| 121 | * |
| 122 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of |
| 123 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
| 124 | * support (see RFC 4279) to OpenSSL. |
| 125 | * |
| 126 | * No patent licenses or other rights except those expressly stated in |
| 127 | * the OpenSSL open source license shall be deemed granted or received |
| 128 | * expressly, by implication, estoppel, or otherwise. |
| 129 | * |
| 130 | * No assurances are provided by Nokia that the Contribution does not |
| 131 | * infringe the patent or other intellectual property rights of any third |
| 132 | * party or that the license provides you with all the necessary rights |
| 133 | * to make use of the Contribution. |
| 134 | * |
| 135 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
| 136 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
| 137 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
| 138 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
| 139 | * OTHERWISE. */ |
| 140 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 141 | #include <openssl/ssl.h> |
| 142 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 143 | #include <assert.h> |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 144 | #include <stdlib.h> |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 145 | #include <string.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 146 | |
| 147 | #include <openssl/bytestring.h> |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 148 | #include <openssl/crypto.h> |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 149 | #include <openssl/err.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 150 | #include <openssl/lhash.h> |
| 151 | #include <openssl/mem.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 152 | #include <openssl/rand.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 153 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 154 | #include "internal.h" |
| 155 | #include "../crypto/internal.h" |
| 156 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 157 | #if defined(OPENSSL_WINDOWS) |
| 158 | #include <sys/timeb.h> |
| 159 | #else |
| 160 | #include <sys/socket.h> |
| 161 | #include <sys/time.h> |
| 162 | #endif |
| 163 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 164 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 165 | namespace bssl { |
| 166 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 167 | // |SSL_R_UNKNOWN_PROTOCOL| is no longer emitted, but continue to define it |
| 168 | // to avoid downstream churn. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 169 | OPENSSL_DECLARE_ERROR_REASON(SSL, UNKNOWN_PROTOCOL) |
| 170 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 171 | // The following errors are no longer emitted, but are used in nginx without |
| 172 | // #ifdefs. |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 173 | OPENSSL_DECLARE_ERROR_REASON(SSL, BLOCK_CIPHER_PAD_IS_WRONG) |
| 174 | OPENSSL_DECLARE_ERROR_REASON(SSL, NO_CIPHERS_SPECIFIED) |
| 175 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 176 | // Some error codes are special. Ensure the make_errors.go script never |
| 177 | // regresses this. |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 178 | static_assert(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION == |
| 179 | SSL_AD_NO_RENEGOTIATION + SSL_AD_REASON_OFFSET, |
| 180 | "alert reason code mismatch"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 181 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 182 | // kMaxHandshakeSize is the maximum size, in bytes, of a handshake message. |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 183 | static const size_t kMaxHandshakeSize = (1u << 24) - 1; |
| 184 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 185 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl = |
| 186 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
| 187 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl_ctx = |
| 188 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 189 | |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 190 | bool CBBFinishArray(CBB *cbb, Array<uint8_t> *out) { |
| 191 | uint8_t *ptr; |
| 192 | size_t len; |
| 193 | if (!CBB_finish(cbb, &ptr, &len)) { |
| 194 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 195 | return false; |
| 196 | } |
| 197 | out->Reset(ptr, len); |
| 198 | return true; |
| 199 | } |
| 200 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 201 | void ssl_reset_error_state(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 202 | // Functions which use |SSL_get_error| must reset I/O and error state on |
| 203 | // entry. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 204 | ssl->s3->rwstate = SSL_NOTHING; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 205 | ERR_clear_error(); |
| 206 | ERR_clear_system_error(); |
| 207 | } |
| 208 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 209 | void ssl_set_read_error(SSL* ssl) { |
| 210 | ssl->s3->read_shutdown = ssl_shutdown_error; |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 211 | ssl->s3->read_error.reset(ERR_save_state()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | static bool check_read_error(const SSL *ssl) { |
| 215 | if (ssl->s3->read_shutdown == ssl_shutdown_error) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 216 | ERR_restore_state(ssl->s3->read_error.get()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 217 | return false; |
| 218 | } |
| 219 | return true; |
| 220 | } |
| 221 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 222 | bool ssl_can_write(const SSL *ssl) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 223 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_write; |
| 224 | } |
| 225 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 226 | bool ssl_can_read(const SSL *ssl) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 227 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_read; |
| 228 | } |
| 229 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 230 | ssl_open_record_t ssl_open_handshake(SSL *ssl, size_t *out_consumed, |
| 231 | uint8_t *out_alert, Span<uint8_t> in) { |
| 232 | *out_consumed = 0; |
| 233 | if (!check_read_error(ssl)) { |
| 234 | *out_alert = 0; |
| 235 | return ssl_open_record_error; |
| 236 | } |
| 237 | auto ret = ssl->method->open_handshake(ssl, out_consumed, out_alert, in); |
| 238 | if (ret == ssl_open_record_error) { |
| 239 | ssl_set_read_error(ssl); |
| 240 | } |
| 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | ssl_open_record_t ssl_open_change_cipher_spec(SSL *ssl, size_t *out_consumed, |
| 245 | uint8_t *out_alert, |
| 246 | Span<uint8_t> in) { |
| 247 | *out_consumed = 0; |
| 248 | if (!check_read_error(ssl)) { |
| 249 | *out_alert = 0; |
| 250 | return ssl_open_record_error; |
| 251 | } |
| 252 | auto ret = |
| 253 | ssl->method->open_change_cipher_spec(ssl, out_consumed, out_alert, in); |
| 254 | if (ret == ssl_open_record_error) { |
| 255 | ssl_set_read_error(ssl); |
| 256 | } |
| 257 | return ret; |
| 258 | } |
| 259 | |
| 260 | ssl_open_record_t ssl_open_app_data(SSL *ssl, Span<uint8_t> *out, |
| 261 | size_t *out_consumed, uint8_t *out_alert, |
| 262 | Span<uint8_t> in) { |
| 263 | *out_consumed = 0; |
| 264 | if (!check_read_error(ssl)) { |
| 265 | *out_alert = 0; |
| 266 | return ssl_open_record_error; |
| 267 | } |
| 268 | auto ret = ssl->method->open_app_data(ssl, out, out_consumed, out_alert, in); |
| 269 | if (ret == ssl_open_record_error) { |
| 270 | ssl_set_read_error(ssl); |
| 271 | } |
| 272 | return ret; |
| 273 | } |
| 274 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 275 | void ssl_update_cache(SSL_HANDSHAKE *hs, int mode) { |
| 276 | SSL *const ssl = hs->ssl; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 277 | SSL_CTX *ctx = ssl->session_ctx.get(); |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 278 | // Never cache sessions with empty session IDs. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 279 | if (ssl->s3->established_session->session_id_length == 0 || |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 280 | ssl->s3->established_session->not_resumable || |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 281 | (ctx->session_cache_mode & mode) != mode) { |
| 282 | return; |
| 283 | } |
| 284 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 285 | // Clients never use the internal session cache. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 286 | int use_internal_cache = ssl->server && !(ctx->session_cache_mode & |
| 287 | SSL_SESS_CACHE_NO_INTERNAL_STORE); |
| 288 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 289 | // A client may see new sessions on abbreviated handshakes if the server |
| 290 | // decides to renew the ticket. Once the handshake is completed, it should be |
| 291 | // inserted into the cache. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 292 | if (ssl->s3->established_session.get() != ssl->session.get() || |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 293 | (!ssl->server && hs->ticket_expected)) { |
| 294 | if (use_internal_cache) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 295 | SSL_CTX_add_session(ctx, ssl->s3->established_session.get()); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 296 | } |
| 297 | if (ctx->new_session_cb != NULL) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 298 | UniquePtr<SSL_SESSION> ref = UpRef(ssl->s3->established_session); |
| 299 | if (ctx->new_session_cb(ssl, ref.get())) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 300 | // |new_session_cb|'s return value signals whether it took ownership. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 301 | ref.release(); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | if (use_internal_cache && |
| 307 | !(ctx->session_cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 308 | // Automatically flush the internal session cache every 255 connections. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 309 | int flush_cache = 0; |
| 310 | CRYPTO_MUTEX_lock_write(&ctx->lock); |
| 311 | ctx->handshakes_since_cache_flush++; |
| 312 | if (ctx->handshakes_since_cache_flush >= 255) { |
| 313 | flush_cache = 1; |
| 314 | ctx->handshakes_since_cache_flush = 0; |
| 315 | } |
| 316 | CRYPTO_MUTEX_unlock_write(&ctx->lock); |
| 317 | |
| 318 | if (flush_cache) { |
| 319 | struct OPENSSL_timeval now; |
| 320 | ssl_get_current_time(ssl, &now); |
| 321 | SSL_CTX_flush_sessions(ctx, now.tv_sec); |
| 322 | } |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | static int cbb_add_hex(CBB *cbb, const uint8_t *in, size_t in_len) { |
| 327 | static const char hextable[] = "0123456789abcdef"; |
| 328 | uint8_t *out; |
| 329 | |
| 330 | if (!CBB_add_space(cbb, &out, in_len * 2)) { |
| 331 | return 0; |
| 332 | } |
| 333 | |
| 334 | for (size_t i = 0; i < in_len; i++) { |
| 335 | *(out++) = (uint8_t)hextable[in[i] >> 4]; |
| 336 | *(out++) = (uint8_t)hextable[in[i] & 0xf]; |
| 337 | } |
| 338 | |
| 339 | return 1; |
| 340 | } |
| 341 | |
| 342 | int ssl_log_secret(const SSL *ssl, const char *label, const uint8_t *secret, |
| 343 | size_t secret_len) { |
| 344 | if (ssl->ctx->keylog_callback == NULL) { |
| 345 | return 1; |
| 346 | } |
| 347 | |
| 348 | ScopedCBB cbb; |
| 349 | uint8_t *out; |
| 350 | size_t out_len; |
| 351 | if (!CBB_init(cbb.get(), strlen(label) + 1 + SSL3_RANDOM_SIZE * 2 + 1 + |
| 352 | secret_len * 2 + 1) || |
| 353 | !CBB_add_bytes(cbb.get(), (const uint8_t *)label, strlen(label)) || |
| 354 | !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) || |
| 355 | !cbb_add_hex(cbb.get(), ssl->s3->client_random, SSL3_RANDOM_SIZE) || |
| 356 | !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) || |
| 357 | !cbb_add_hex(cbb.get(), secret, secret_len) || |
| 358 | !CBB_add_u8(cbb.get(), 0 /* NUL */) || |
| 359 | !CBB_finish(cbb.get(), &out, &out_len)) { |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | ssl->ctx->keylog_callback(ssl, (const char *)out); |
| 364 | OPENSSL_free(out); |
| 365 | return 1; |
| 366 | } |
| 367 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 368 | void ssl_do_info_callback(const SSL *ssl, int type, int value) { |
| 369 | void (*cb)(const SSL *ssl, int type, int value) = NULL; |
| 370 | if (ssl->info_callback != NULL) { |
| 371 | cb = ssl->info_callback; |
| 372 | } else if (ssl->ctx->info_callback != NULL) { |
| 373 | cb = ssl->ctx->info_callback; |
| 374 | } |
| 375 | |
| 376 | if (cb != NULL) { |
| 377 | cb(ssl, type, value); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | void ssl_do_msg_callback(SSL *ssl, int is_write, int content_type, |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 382 | Span<const uint8_t> in) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 383 | if (ssl->msg_callback == NULL) { |
| 384 | return; |
| 385 | } |
| 386 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 387 | // |version| is zero when calling for |SSL3_RT_HEADER| and |SSL2_VERSION| for |
| 388 | // a V2ClientHello. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 389 | int version; |
| 390 | switch (content_type) { |
| 391 | case 0: |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 392 | // V2ClientHello |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 393 | version = SSL2_VERSION; |
| 394 | break; |
| 395 | case SSL3_RT_HEADER: |
| 396 | version = 0; |
| 397 | break; |
| 398 | default: |
| 399 | version = SSL_version(ssl); |
| 400 | } |
| 401 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 402 | ssl->msg_callback(is_write, version, content_type, in.data(), in.size(), ssl, |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 403 | ssl->msg_callback_arg); |
| 404 | } |
| 405 | |
| 406 | void ssl_get_current_time(const SSL *ssl, struct OPENSSL_timeval *out_clock) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 407 | // TODO(martinkr): Change callers to |ssl_ctx_get_current_time| and drop the |
| 408 | // |ssl| arg from |current_time_cb| if possible. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 409 | ssl_ctx_get_current_time(ssl->ctx.get(), out_clock); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | void ssl_ctx_get_current_time(const SSL_CTX *ctx, |
| 413 | struct OPENSSL_timeval *out_clock) { |
| 414 | if (ctx->current_time_cb != NULL) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 415 | // TODO(davidben): Update current_time_cb to use OPENSSL_timeval. See |
| 416 | // https://crbug.com/boringssl/155. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 417 | struct timeval clock; |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 418 | ctx->current_time_cb(nullptr /* ssl */, &clock); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 419 | if (clock.tv_sec < 0) { |
| 420 | assert(0); |
| 421 | out_clock->tv_sec = 0; |
| 422 | out_clock->tv_usec = 0; |
| 423 | } else { |
| 424 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 425 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 426 | } |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | #if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) |
| 431 | out_clock->tv_sec = 1234; |
| 432 | out_clock->tv_usec = 1234; |
| 433 | #elif defined(OPENSSL_WINDOWS) |
| 434 | struct _timeb time; |
| 435 | _ftime(&time); |
| 436 | if (time.time < 0) { |
| 437 | assert(0); |
| 438 | out_clock->tv_sec = 0; |
| 439 | out_clock->tv_usec = 0; |
| 440 | } else { |
| 441 | out_clock->tv_sec = time.time; |
| 442 | out_clock->tv_usec = time.millitm * 1000; |
| 443 | } |
| 444 | #else |
| 445 | struct timeval clock; |
| 446 | gettimeofday(&clock, NULL); |
| 447 | if (clock.tv_sec < 0) { |
| 448 | assert(0); |
| 449 | out_clock->tv_sec = 0; |
| 450 | out_clock->tv_usec = 0; |
| 451 | } else { |
| 452 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 453 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 454 | } |
| 455 | #endif |
| 456 | } |
| 457 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 458 | void SSL_CTX_set_handoff_mode(SSL_CTX *ctx, bool on) { |
| 459 | ctx->handoff = on; |
| 460 | } |
| 461 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 462 | static bool ssl_can_renegotiate(const SSL *ssl) { |
| 463 | if (ssl->server || SSL_is_dtls(ssl)) { |
| 464 | return false; |
| 465 | } |
| 466 | |
| 467 | if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
| 468 | return false; |
| 469 | } |
| 470 | |
| 471 | // The config has already been shed. |
| 472 | if (!ssl->config) { |
| 473 | return false; |
| 474 | } |
| 475 | |
| 476 | switch (ssl->renegotiate_mode) { |
| 477 | case ssl_renegotiate_ignore: |
| 478 | case ssl_renegotiate_never: |
| 479 | return false; |
| 480 | |
| 481 | case ssl_renegotiate_freely: |
| 482 | return true; |
| 483 | case ssl_renegotiate_once: |
| 484 | return ssl->s3->total_renegotiations == 0; |
| 485 | } |
| 486 | |
| 487 | assert(0); |
| 488 | return false; |
| 489 | } |
| 490 | |
| 491 | static void ssl_maybe_shed_handshake_config(SSL *ssl) { |
| 492 | if (ssl->s3->hs != nullptr || |
| 493 | ssl->config == nullptr || |
| 494 | !ssl->config->shed_handshake_config || |
| 495 | ssl_can_renegotiate(ssl)) { |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | ssl->config.reset(); |
| 500 | } |
| 501 | |
| 502 | void SSL_set_handoff_mode(SSL *ssl, bool on) { |
| 503 | if (!ssl->config) { |
| 504 | return; |
| 505 | } |
| 506 | ssl->config->handoff = on; |
| 507 | } |
| 508 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 509 | } // namespace bssl |
| 510 | |
| 511 | using namespace bssl; |
| 512 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 513 | int SSL_library_init(void) { |
| 514 | CRYPTO_library_init(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 515 | return 1; |
| 516 | } |
| 517 | |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 518 | int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) { |
| 519 | CRYPTO_library_init(); |
| 520 | return 1; |
| 521 | } |
| 522 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 523 | static uint32_t ssl_session_hash(const SSL_SESSION *sess) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 524 | return ssl_hash_session_id( |
| 525 | MakeConstSpan(sess->session_id, sess->session_id_length)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 526 | } |
| 527 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 528 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 529 | if (a->session_id_length != b->session_id_length) { |
| 530 | return 1; |
| 531 | } |
| 532 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 533 | return OPENSSL_memcmp(a->session_id, b->session_id, a->session_id_length); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 534 | } |
| 535 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 536 | ssl_ctx_st::ssl_ctx_st(const SSL_METHOD *ssl_method) |
| 537 | : method(ssl_method->method), |
| 538 | x509_method(ssl_method->x509_method), |
| 539 | retain_only_sha256_of_client_certs(false), |
| 540 | quiet_shutdown(false), |
| 541 | ocsp_stapling_enabled(false), |
| 542 | signed_cert_timestamps_enabled(false), |
| 543 | channel_id_enabled(false), |
| 544 | grease_enabled(false), |
| 545 | allow_unknown_alpn_protos(false), |
| 546 | ed25519_enabled(false), |
| 547 | rsa_pss_rsae_certs_enabled(true), |
| 548 | false_start_allowed_without_alpn(false), |
| 549 | handoff(false), |
| 550 | enable_early_data(false) { |
| 551 | CRYPTO_MUTEX_init(&lock); |
| 552 | CRYPTO_new_ex_data(&ex_data); |
| 553 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 554 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 555 | ssl_ctx_st::~ssl_ctx_st() { |
| 556 | // Free the internal session cache. Note that this calls the caller-supplied |
| 557 | // remove callback, so we must do it before clearing ex_data. (See ticket |
| 558 | // [openssl.org #212].) |
| 559 | SSL_CTX_flush_sessions(this, 0); |
| 560 | |
| 561 | CRYPTO_free_ex_data(&g_ex_data_class_ssl_ctx, this, &ex_data); |
| 562 | |
| 563 | CRYPTO_MUTEX_cleanup(&lock); |
| 564 | lh_SSL_SESSION_free(sessions); |
| 565 | x509_method->ssl_ctx_free(this); |
| 566 | } |
| 567 | |
| 568 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *method) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 569 | if (method == NULL) { |
| 570 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 571 | return nullptr; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 572 | } |
| 573 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 574 | UniquePtr<SSL_CTX> ret = MakeUnique<SSL_CTX>(method); |
| 575 | if (!ret) { |
| 576 | return nullptr; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 577 | } |
| 578 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 579 | ret->cert = MakeUnique<CERT>(method->x509_method); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 580 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 581 | ret->client_CA.reset(sk_CRYPTO_BUFFER_new_null()); |
| 582 | if (ret->cert == nullptr || |
| 583 | ret->sessions == nullptr || |
| 584 | ret->client_CA == nullptr || |
| 585 | !ret->x509_method->ssl_ctx_new(ret.get())) { |
| 586 | return nullptr; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 587 | } |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 588 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 589 | if (!SSL_CTX_set_strict_cipher_list(ret.get(), SSL_DEFAULT_CIPHER_LIST) || |
| 590 | // Lock the SSL_CTX to the specified version, for compatibility with |
| 591 | // legacy uses of SSL_METHOD. |
| 592 | !SSL_CTX_set_max_proto_version(ret.get(), method->version) || |
| 593 | !SSL_CTX_set_min_proto_version(ret.get(), method->version)) { |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 594 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 595 | return nullptr; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 596 | } |
| 597 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 598 | return ret.release(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 599 | } |
| 600 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 601 | int SSL_CTX_up_ref(SSL_CTX *ctx) { |
| 602 | CRYPTO_refcount_inc(&ctx->references); |
| 603 | return 1; |
| 604 | } |
| 605 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 606 | void SSL_CTX_free(SSL_CTX *ctx) { |
| 607 | if (ctx == NULL || |
| 608 | !CRYPTO_refcount_dec_and_test_zero(&ctx->references)) { |
| 609 | return; |
| 610 | } |
| 611 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 612 | ctx->~ssl_ctx_st(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 613 | OPENSSL_free(ctx); |
| 614 | } |
| 615 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 616 | ssl_st::ssl_st(SSL_CTX *ctx_arg) |
| 617 | : method(ctx_arg->method), |
| 618 | max_send_fragment(ctx_arg->max_send_fragment), |
| 619 | msg_callback(ctx_arg->msg_callback), |
| 620 | msg_callback_arg(ctx_arg->msg_callback_arg), |
| 621 | tls13_variant(ctx_arg->tls13_variant), |
| 622 | ctx(UpRef(ctx_arg)), |
| 623 | session_ctx(UpRef(ctx_arg)), |
| 624 | options(ctx->options), |
| 625 | mode(ctx->mode), |
| 626 | max_cert_list(ctx->max_cert_list), |
| 627 | server(false), |
| 628 | quiet_shutdown(ctx->quiet_shutdown), |
| 629 | did_dummy_pq_padding(false), |
| 630 | enable_early_data(ctx->enable_early_data) { |
| 631 | CRYPTO_new_ex_data(&ex_data); |
| 632 | } |
| 633 | |
| 634 | ssl_st::~ssl_st() { |
| 635 | CRYPTO_free_ex_data(&g_ex_data_class_ssl, this, &ex_data); |
| 636 | // |config| refers to |this|, so we must release it earlier. |
| 637 | config.reset(); |
| 638 | if (method != NULL) { |
| 639 | method->ssl_free(this); |
| 640 | } |
| 641 | } |
| 642 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 643 | SSL *SSL_new(SSL_CTX *ctx) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 644 | if (ctx == nullptr) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 645 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_CTX); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 646 | return nullptr; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 647 | } |
| 648 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 649 | UniquePtr<SSL> ssl = MakeUnique<SSL>(ctx); |
| 650 | if (ssl == nullptr) { |
| 651 | return nullptr; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 652 | } |
| 653 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 654 | ssl->config = MakeUnique<SSL_CONFIG>(ssl.get()); |
| 655 | if (ssl->config == nullptr) { |
| 656 | return nullptr; |
| 657 | } |
| 658 | ssl->config->conf_min_version = ctx->conf_min_version; |
| 659 | ssl->config->conf_max_version = ctx->conf_max_version; |
| 660 | |
| 661 | ssl->config->cert = ssl_cert_dup(ctx->cert.get()); |
| 662 | if (ssl->config->cert == nullptr) { |
| 663 | return nullptr; |
| 664 | } |
| 665 | |
| 666 | ssl->config->verify_mode = ctx->verify_mode; |
| 667 | ssl->config->verify_callback = ctx->default_verify_callback; |
| 668 | ssl->config->custom_verify_callback = ctx->custom_verify_callback; |
| 669 | ssl->config->retain_only_sha256_of_client_certs = |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 670 | ctx->retain_only_sha256_of_client_certs; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 671 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 672 | if (!ssl->config->supported_group_list.CopyFrom(ctx->supported_group_list) || |
| 673 | !ssl->config->alpn_client_proto_list.CopyFrom( |
| 674 | ctx->alpn_client_proto_list) || |
| 675 | !ssl->config->verify_sigalgs.CopyFrom(ctx->verify_sigalgs)) { |
| 676 | return nullptr; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 677 | } |
| 678 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 679 | if (ctx->psk_identity_hint) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 680 | ssl->config->psk_identity_hint.reset( |
| 681 | BUF_strdup(ctx->psk_identity_hint.get())); |
| 682 | if (ssl->config->psk_identity_hint == nullptr) { |
| 683 | return nullptr; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 684 | } |
| 685 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 686 | ssl->config->psk_client_callback = ctx->psk_client_callback; |
| 687 | ssl->config->psk_server_callback = ctx->psk_server_callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 688 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 689 | ssl->config->channel_id_enabled = ctx->channel_id_enabled; |
| 690 | ssl->config->channel_id_private = UpRef(ctx->channel_id_private); |
| 691 | |
| 692 | ssl->config->signed_cert_timestamps_enabled = |
| 693 | ctx->signed_cert_timestamps_enabled; |
| 694 | ssl->config->ocsp_stapling_enabled = ctx->ocsp_stapling_enabled; |
| 695 | ssl->config->handoff = ctx->handoff; |
| 696 | |
| 697 | if (!ssl->method->ssl_new(ssl.get()) || |
| 698 | !ssl->ctx->x509_method->ssl_new(ssl->s3->hs.get())) { |
| 699 | return nullptr; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 700 | } |
| 701 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 702 | return ssl.release(); |
| 703 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 704 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 705 | SSL_CONFIG::SSL_CONFIG(SSL *ssl_arg) |
| 706 | : ssl(ssl_arg), |
| 707 | signed_cert_timestamps_enabled(false), |
| 708 | ocsp_stapling_enabled(false), |
| 709 | channel_id_enabled(false), |
| 710 | retain_only_sha256_of_client_certs(false), |
| 711 | handoff(false), |
| 712 | shed_handshake_config(false) { |
| 713 | assert(ssl); |
| 714 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 715 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 716 | SSL_CONFIG::~SSL_CONFIG() { |
| 717 | if (ssl->ctx != nullptr) { |
| 718 | ssl->ctx->x509_method->ssl_config_free(this); |
| 719 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 720 | } |
| 721 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 722 | void SSL_free(SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 723 | Delete(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 724 | } |
| 725 | |
| 726 | void SSL_set_connect_state(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 727 | ssl->server = false; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 728 | ssl->do_handshake = ssl_client_handshake; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | void SSL_set_accept_state(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 732 | ssl->server = true; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 733 | ssl->do_handshake = ssl_server_handshake; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 734 | } |
| 735 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 736 | void SSL_set0_rbio(SSL *ssl, BIO *rbio) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 737 | ssl->rbio.reset(rbio); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 738 | } |
| 739 | |
| 740 | void SSL_set0_wbio(SSL *ssl, BIO *wbio) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 741 | ssl->wbio.reset(wbio); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 742 | } |
| 743 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 744 | void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 745 | // For historical reasons, this function has many different cases in ownership |
| 746 | // handling. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 747 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 748 | // If nothing has changed, do nothing |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 749 | if (rbio == SSL_get_rbio(ssl) && wbio == SSL_get_wbio(ssl)) { |
| 750 | return; |
| 751 | } |
| 752 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 753 | // If the two arguments are equal, one fewer reference is granted than |
| 754 | // taken. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 755 | if (rbio != NULL && rbio == wbio) { |
| 756 | BIO_up_ref(rbio); |
| 757 | } |
| 758 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 759 | // If only the wbio is changed, adopt only one reference. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 760 | if (rbio == SSL_get_rbio(ssl)) { |
| 761 | SSL_set0_wbio(ssl, wbio); |
| 762 | return; |
| 763 | } |
| 764 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 765 | // There is an asymmetry here for historical reasons. If only the rbio is |
| 766 | // changed AND the rbio and wbio were originally different, then we only adopt |
| 767 | // one reference. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 768 | if (wbio == SSL_get_wbio(ssl) && SSL_get_rbio(ssl) != SSL_get_wbio(ssl)) { |
| 769 | SSL_set0_rbio(ssl, rbio); |
| 770 | return; |
| 771 | } |
| 772 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 773 | // Otherwise, adopt both references. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 774 | SSL_set0_rbio(ssl, rbio); |
| 775 | SSL_set0_wbio(ssl, wbio); |
| 776 | } |
| 777 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 778 | BIO *SSL_get_rbio(const SSL *ssl) { return ssl->rbio.get(); } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 779 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 780 | BIO *SSL_get_wbio(const SSL *ssl) { return ssl->wbio.get(); } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 781 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 782 | int SSL_do_handshake(SSL *ssl) { |
| 783 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 784 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 785 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 786 | OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
| 787 | return -1; |
| 788 | } |
| 789 | |
| 790 | if (!SSL_in_init(ssl)) { |
| 791 | return 1; |
| 792 | } |
| 793 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 794 | // Run the handshake. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 795 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 796 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 797 | bool early_return = false; |
| 798 | int ret = ssl_run_handshake(hs, &early_return); |
| 799 | ssl_do_info_callback( |
| 800 | ssl, ssl->server ? SSL_CB_ACCEPT_EXIT : SSL_CB_CONNECT_EXIT, ret); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 801 | if (ret <= 0) { |
| 802 | return ret; |
| 803 | } |
| 804 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 805 | // Destroy the handshake object if the handshake has completely finished. |
| 806 | if (!early_return) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 807 | ssl->s3->hs.reset(); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 808 | ssl_maybe_shed_handshake_config(ssl); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 812 | } |
| 813 | |
| 814 | int SSL_connect(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 815 | if (ssl->do_handshake == NULL) { |
| 816 | // Not properly initialized yet |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 817 | SSL_set_connect_state(ssl); |
| 818 | } |
| 819 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 820 | return SSL_do_handshake(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | int SSL_accept(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 824 | if (ssl->do_handshake == NULL) { |
| 825 | // Not properly initialized yet |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 826 | SSL_set_accept_state(ssl); |
| 827 | } |
| 828 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 829 | return SSL_do_handshake(ssl); |
| 830 | } |
| 831 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 832 | static int ssl_do_post_handshake(SSL *ssl, const SSLMessage &msg) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 833 | if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 834 | return tls13_post_handshake(ssl, msg); |
| 835 | } |
| 836 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 837 | // Check for renegotiation on the server before parsing to use the correct |
| 838 | // error. Renegotiation is triggered by a different message for servers. |
| 839 | if (ssl->server) { |
| 840 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_RENEGOTIATION); |
| 841 | ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_NO_RENEGOTIATION); |
| 842 | return 0; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 843 | } |
| 844 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 845 | if (msg.type != SSL3_MT_HELLO_REQUEST || CBS_len(&msg.body) != 0) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 846 | ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_DECODE_ERROR); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 847 | OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_HELLO_REQUEST); |
| 848 | return 0; |
| 849 | } |
| 850 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 851 | if (ssl->renegotiate_mode == ssl_renegotiate_ignore) { |
| 852 | return 1; // Ignore the HelloRequest. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 853 | } |
| 854 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 855 | if (!ssl_can_renegotiate(ssl) || |
| 856 | // Renegotiation is only supported at quiescent points in the application |
| 857 | // protocol, namely in HTTPS, just before reading the HTTP response. |
| 858 | // Require the record-layer be idle and avoid complexities of sending a |
| 859 | // handshake record while an application_data record is being written. |
| 860 | !ssl->s3->write_buffer.empty() || |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 861 | ssl->s3->write_shutdown != ssl_shutdown_none) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 862 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_RENEGOTIATION); |
| 863 | ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_NO_RENEGOTIATION); |
| 864 | return 0; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 865 | } |
| 866 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 867 | // Begin a new handshake. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 868 | if (ssl->s3->hs != nullptr) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 869 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 870 | return 0; |
| 871 | } |
| 872 | ssl->s3->hs = ssl_handshake_new(ssl); |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 873 | if (ssl->s3->hs == nullptr) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 874 | return 0; |
| 875 | } |
| 876 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 877 | ssl->s3->total_renegotiations++; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 878 | return 1; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 879 | } |
| 880 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 881 | static int ssl_read_impl(SSL *ssl) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 882 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 883 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 884 | if (ssl->do_handshake == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 885 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 886 | return -1; |
| 887 | } |
| 888 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 889 | // Replay post-handshake message errors. |
| 890 | if (!check_read_error(ssl)) { |
| 891 | return -1; |
| 892 | } |
| 893 | |
| 894 | while (ssl->s3->pending_app_data.empty()) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 895 | // Complete the current handshake, if any. False Start will cause |
| 896 | // |SSL_do_handshake| to return mid-handshake, so this may require multiple |
| 897 | // iterations. |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 898 | while (!ssl_can_read(ssl)) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 899 | int ret = SSL_do_handshake(ssl); |
| 900 | if (ret < 0) { |
| 901 | return ret; |
| 902 | } |
| 903 | if (ret == 0) { |
| 904 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 905 | return -1; |
| 906 | } |
| 907 | } |
| 908 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 909 | // Process any buffered post-handshake messages. |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 910 | SSLMessage msg; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 911 | if (ssl->method->get_message(ssl, &msg)) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 912 | // If we received an interrupt in early read (EndOfEarlyData), loop again |
| 913 | // for the handshake to process it. |
| 914 | if (SSL_in_init(ssl)) { |
| 915 | ssl->s3->hs->can_early_read = false; |
| 916 | continue; |
| 917 | } |
| 918 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 919 | // Handle the post-handshake message and try again. |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 920 | if (!ssl_do_post_handshake(ssl, msg)) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 921 | ssl_set_read_error(ssl); |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 922 | return -1; |
| 923 | } |
| 924 | ssl->method->next_message(ssl); |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 925 | continue; // Loop again. We may have begun a new handshake. |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 926 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 927 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 928 | uint8_t alert = SSL_AD_DECODE_ERROR; |
| 929 | size_t consumed = 0; |
| 930 | auto ret = ssl_open_app_data(ssl, &ssl->s3->pending_app_data, &consumed, |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 931 | &alert, ssl->s3->read_buffer.span()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 932 | bool retry; |
| 933 | int bio_ret = ssl_handle_open_record(ssl, &retry, ret, consumed, alert); |
| 934 | if (bio_ret <= 0) { |
| 935 | return bio_ret; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 936 | } |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 937 | if (!retry) { |
| 938 | assert(!ssl->s3->pending_app_data.empty()); |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 939 | ssl->s3->key_update_count = 0; |
| 940 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 941 | } |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 942 | |
| 943 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 944 | } |
| 945 | |
| 946 | int SSL_read(SSL *ssl, void *buf, int num) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 947 | int ret = SSL_peek(ssl, buf, num); |
| 948 | if (ret <= 0) { |
| 949 | return ret; |
| 950 | } |
| 951 | // TODO(davidben): In DTLS, should the rest of the record be discarded? DTLS |
| 952 | // is not a stream. See https://crbug.com/boringssl/65. |
| 953 | ssl->s3->pending_app_data = |
| 954 | ssl->s3->pending_app_data.subspan(static_cast<size_t>(ret)); |
| 955 | if (ssl->s3->pending_app_data.empty()) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 956 | ssl->s3->read_buffer.DiscardConsumed(); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 957 | } |
| 958 | return ret; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 959 | } |
| 960 | |
| 961 | int SSL_peek(SSL *ssl, void *buf, int num) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 962 | int ret = ssl_read_impl(ssl); |
| 963 | if (ret <= 0) { |
| 964 | return ret; |
| 965 | } |
| 966 | if (num <= 0) { |
| 967 | return num; |
| 968 | } |
| 969 | size_t todo = |
| 970 | std::min(ssl->s3->pending_app_data.size(), static_cast<size_t>(num)); |
| 971 | OPENSSL_memcpy(buf, ssl->s3->pending_app_data.data(), todo); |
| 972 | return static_cast<int>(todo); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 973 | } |
| 974 | |
| 975 | int SSL_write(SSL *ssl, const void *buf, int num) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 976 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 977 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 978 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 979 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 980 | return -1; |
| 981 | } |
| 982 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 983 | if (ssl->s3->write_shutdown != ssl_shutdown_none) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 984 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 985 | return -1; |
| 986 | } |
| 987 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 988 | int ret = 0; |
| 989 | bool needs_handshake = false; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 990 | do { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 991 | // If necessary, complete the handshake implicitly. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 992 | if (!ssl_can_write(ssl)) { |
| 993 | ret = SSL_do_handshake(ssl); |
| 994 | if (ret < 0) { |
| 995 | return ret; |
| 996 | } |
| 997 | if (ret == 0) { |
| 998 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 999 | return -1; |
| 1000 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1001 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1002 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1003 | ret = ssl->method->write_app_data(ssl, &needs_handshake, |
| 1004 | (const uint8_t *)buf, num); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1005 | } while (needs_handshake); |
| 1006 | return ret; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1007 | } |
| 1008 | |
| 1009 | int SSL_shutdown(SSL *ssl) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1010 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1011 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1012 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1013 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 1014 | return -1; |
| 1015 | } |
| 1016 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1017 | // If we are in the middle of a handshake, silently succeed. Consumers often |
| 1018 | // call this function before |SSL_free|, whether the handshake succeeded or |
| 1019 | // not. We assume the caller has already handled failed handshakes. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1020 | if (SSL_in_init(ssl)) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1021 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1024 | if (ssl->quiet_shutdown) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1025 | // Do nothing if configured not to send a close_notify. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1026 | ssl->s3->write_shutdown = ssl_shutdown_close_notify; |
| 1027 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1028 | return 1; |
| 1029 | } |
| 1030 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1031 | // This function completes in two stages. It sends a close_notify and then it |
| 1032 | // waits for a close_notify to come in. Perform exactly one action and return |
| 1033 | // whether or not it succeeds. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1034 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1035 | if (ssl->s3->write_shutdown != ssl_shutdown_close_notify) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1036 | // Send a close_notify. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1037 | if (ssl_send_alert(ssl, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY) <= 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1038 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1039 | } |
| 1040 | } else if (ssl->s3->alert_dispatch) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1041 | // Finish sending the close_notify. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1042 | if (ssl->method->dispatch_alert(ssl) <= 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1043 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1044 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1045 | } else if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1046 | if (SSL_is_dtls(ssl)) { |
| 1047 | // Bidirectional shutdown doesn't make sense for an unordered |
| 1048 | // transport. DTLS alerts also aren't delivered reliably, so we may even |
| 1049 | // time out because the peer never received our close_notify. Report to |
| 1050 | // the caller that the channel has fully shut down. |
| 1051 | if (ssl->s3->read_shutdown == ssl_shutdown_error) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1052 | ERR_restore_state(ssl->s3->read_error.get()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1053 | return -1; |
| 1054 | } |
| 1055 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
| 1056 | } else { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1057 | // Process records until an error, close_notify, or application data. |
| 1058 | if (ssl_read_impl(ssl) > 0) { |
| 1059 | // We received some unexpected application data. |
| 1060 | OPENSSL_PUT_ERROR(SSL, SSL_R_APPLICATION_DATA_ON_SHUTDOWN); |
| 1061 | return -1; |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1062 | } |
| 1063 | if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) { |
| 1064 | return -1; |
| 1065 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1066 | } |
| 1067 | } |
| 1068 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1069 | // Return 0 for unidirectional shutdown and 1 for bidirectional shutdown. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1070 | return ssl->s3->read_shutdown == ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1073 | int SSL_send_fatal_alert(SSL *ssl, uint8_t alert) { |
| 1074 | if (ssl->s3->alert_dispatch) { |
| 1075 | if (ssl->s3->send_alert[0] != SSL3_AL_FATAL || |
| 1076 | ssl->s3->send_alert[1] != alert) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1077 | // We are already attempting to write a different alert. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1078 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 1079 | return -1; |
| 1080 | } |
| 1081 | return ssl->method->dispatch_alert(ssl); |
| 1082 | } |
| 1083 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1084 | return ssl_send_alert(ssl, SSL3_AL_FATAL, alert); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1085 | } |
| 1086 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 1087 | int SSL_set_quic_transport_params(SSL *ssl, const uint8_t *params, |
| 1088 | size_t params_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1089 | return ssl->config && ssl->config->quic_transport_params.CopyFrom( |
| 1090 | MakeConstSpan(params, params_len)); |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | void SSL_get_peer_quic_transport_params(const SSL *ssl, |
| 1094 | const uint8_t **out_params, |
| 1095 | size_t *out_params_len) { |
| 1096 | *out_params = ssl->s3->peer_quic_transport_params.data(); |
| 1097 | *out_params_len = ssl->s3->peer_quic_transport_params.size(); |
| 1098 | } |
| 1099 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1100 | void SSL_CTX_set_early_data_enabled(SSL_CTX *ctx, int enabled) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1101 | ctx->enable_early_data = !!enabled; |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 1102 | } |
| 1103 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1104 | void SSL_CTX_set_tls13_variant(SSL_CTX *ctx, enum tls13_variant_t variant) { |
| 1105 | ctx->tls13_variant = variant; |
| 1106 | } |
| 1107 | |
| 1108 | void SSL_set_tls13_variant(SSL *ssl, enum tls13_variant_t variant) { |
| 1109 | ssl->tls13_variant = variant; |
| 1110 | } |
| 1111 | |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 1112 | void SSL_set_early_data_enabled(SSL *ssl, int enabled) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1113 | ssl->enable_early_data = !!enabled; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1114 | } |
| 1115 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1116 | int SSL_in_early_data(const SSL *ssl) { |
| 1117 | if (ssl->s3->hs == NULL) { |
| 1118 | return 0; |
| 1119 | } |
| 1120 | return ssl->s3->hs->in_early_data; |
| 1121 | } |
| 1122 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 1123 | int SSL_early_data_accepted(const SSL *ssl) { |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1124 | return ssl->s3->early_data_accepted; |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 1125 | } |
| 1126 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1127 | void SSL_reset_early_data_reject(SSL *ssl) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1128 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1129 | if (hs == NULL || |
| 1130 | hs->wait != ssl_hs_early_data_rejected) { |
| 1131 | abort(); |
| 1132 | } |
| 1133 | |
| 1134 | hs->wait = ssl_hs_ok; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1135 | hs->in_early_data = false; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1136 | hs->early_session.reset(); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1137 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1138 | // Discard any unfinished writes from the perspective of |SSL_write|'s |
| 1139 | // retry. The handshake will transparently flush out the pending record |
| 1140 | // (discarded by the server) to keep the framing correct. |
| 1141 | ssl->s3->wpend_pending = false; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1142 | } |
| 1143 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1144 | static int bio_retry_reason_to_error(int reason) { |
| 1145 | switch (reason) { |
| 1146 | case BIO_RR_CONNECT: |
| 1147 | return SSL_ERROR_WANT_CONNECT; |
| 1148 | case BIO_RR_ACCEPT: |
| 1149 | return SSL_ERROR_WANT_ACCEPT; |
| 1150 | default: |
| 1151 | return SSL_ERROR_SYSCALL; |
| 1152 | } |
| 1153 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1154 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1155 | int SSL_get_error(const SSL *ssl, int ret_code) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1156 | if (ret_code > 0) { |
| 1157 | return SSL_ERROR_NONE; |
| 1158 | } |
| 1159 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1160 | // Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, |
| 1161 | // where we do encode the error |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1162 | uint32_t err = ERR_peek_error(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1163 | if (err != 0) { |
| 1164 | if (ERR_GET_LIB(err) == ERR_LIB_SYS) { |
| 1165 | return SSL_ERROR_SYSCALL; |
| 1166 | } |
| 1167 | return SSL_ERROR_SSL; |
| 1168 | } |
| 1169 | |
| 1170 | if (ret_code == 0) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1171 | if (ssl->s3->read_shutdown == ssl_shutdown_close_notify) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1172 | return SSL_ERROR_ZERO_RETURN; |
| 1173 | } |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1174 | // An EOF was observed which violates the protocol, and the underlying |
| 1175 | // transport does not participate in the error queue. Bubble up to the |
| 1176 | // caller. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1177 | return SSL_ERROR_SYSCALL; |
| 1178 | } |
| 1179 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1180 | switch (ssl->s3->rwstate) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1181 | case SSL_PENDING_SESSION: |
| 1182 | return SSL_ERROR_PENDING_SESSION; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1183 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1184 | case SSL_CERTIFICATE_SELECTION_PENDING: |
| 1185 | return SSL_ERROR_PENDING_CERTIFICATE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1186 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 1187 | case SSL_HANDOFF: |
| 1188 | return SSL_ERROR_HANDOFF; |
| 1189 | |
Robert Sloan | dc2f609 | 2018-04-10 10:22:33 -0700 | [diff] [blame] | 1190 | case SSL_HANDBACK: |
| 1191 | return SSL_ERROR_HANDBACK; |
| 1192 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1193 | case SSL_READING: { |
| 1194 | BIO *bio = SSL_get_rbio(ssl); |
| 1195 | if (BIO_should_read(bio)) { |
| 1196 | return SSL_ERROR_WANT_READ; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1199 | if (BIO_should_write(bio)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1200 | // TODO(davidben): OpenSSL historically checked for writes on the read |
| 1201 | // BIO. Can this be removed? |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1202 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1205 | if (BIO_should_io_special(bio)) { |
| 1206 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1207 | } |
| 1208 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1209 | break; |
| 1210 | } |
| 1211 | |
| 1212 | case SSL_WRITING: { |
| 1213 | BIO *bio = SSL_get_wbio(ssl); |
| 1214 | if (BIO_should_write(bio)) { |
| 1215 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1216 | } |
| 1217 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1218 | if (BIO_should_read(bio)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1219 | // TODO(davidben): OpenSSL historically checked for reads on the write |
| 1220 | // BIO. Can this be removed? |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1221 | return SSL_ERROR_WANT_READ; |
| 1222 | } |
| 1223 | |
| 1224 | if (BIO_should_io_special(bio)) { |
| 1225 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
| 1226 | } |
| 1227 | |
| 1228 | break; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1229 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1230 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1231 | case SSL_X509_LOOKUP: |
| 1232 | return SSL_ERROR_WANT_X509_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1233 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1234 | case SSL_CHANNEL_ID_LOOKUP: |
| 1235 | return SSL_ERROR_WANT_CHANNEL_ID_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1236 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1237 | case SSL_PRIVATE_KEY_OPERATION: |
| 1238 | return SSL_ERROR_WANT_PRIVATE_KEY_OPERATION; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1239 | |
| 1240 | case SSL_PENDING_TICKET: |
| 1241 | return SSL_ERROR_PENDING_TICKET; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1242 | |
| 1243 | case SSL_EARLY_DATA_REJECTED: |
| 1244 | return SSL_ERROR_EARLY_DATA_REJECTED; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1245 | |
| 1246 | case SSL_CERTIFICATE_VERIFY: |
| 1247 | return SSL_ERROR_WANT_CERTIFICATE_VERIFY; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1248 | } |
| 1249 | |
| 1250 | return SSL_ERROR_SYSCALL; |
| 1251 | } |
| 1252 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1253 | uint32_t SSL_CTX_set_options(SSL_CTX *ctx, uint32_t options) { |
| 1254 | ctx->options |= options; |
| 1255 | return ctx->options; |
| 1256 | } |
| 1257 | |
| 1258 | uint32_t SSL_CTX_clear_options(SSL_CTX *ctx, uint32_t options) { |
| 1259 | ctx->options &= ~options; |
| 1260 | return ctx->options; |
| 1261 | } |
| 1262 | |
| 1263 | uint32_t SSL_CTX_get_options(const SSL_CTX *ctx) { return ctx->options; } |
| 1264 | |
| 1265 | uint32_t SSL_set_options(SSL *ssl, uint32_t options) { |
| 1266 | ssl->options |= options; |
| 1267 | return ssl->options; |
| 1268 | } |
| 1269 | |
| 1270 | uint32_t SSL_clear_options(SSL *ssl, uint32_t options) { |
| 1271 | ssl->options &= ~options; |
| 1272 | return ssl->options; |
| 1273 | } |
| 1274 | |
| 1275 | uint32_t SSL_get_options(const SSL *ssl) { return ssl->options; } |
| 1276 | |
| 1277 | uint32_t SSL_CTX_set_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1278 | ctx->mode |= mode; |
| 1279 | return ctx->mode; |
| 1280 | } |
| 1281 | |
| 1282 | uint32_t SSL_CTX_clear_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1283 | ctx->mode &= ~mode; |
| 1284 | return ctx->mode; |
| 1285 | } |
| 1286 | |
| 1287 | uint32_t SSL_CTX_get_mode(const SSL_CTX *ctx) { return ctx->mode; } |
| 1288 | |
| 1289 | uint32_t SSL_set_mode(SSL *ssl, uint32_t mode) { |
| 1290 | ssl->mode |= mode; |
| 1291 | return ssl->mode; |
| 1292 | } |
| 1293 | |
| 1294 | uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode) { |
| 1295 | ssl->mode &= ~mode; |
| 1296 | return ssl->mode; |
| 1297 | } |
| 1298 | |
| 1299 | uint32_t SSL_get_mode(const SSL *ssl) { return ssl->mode; } |
| 1300 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1301 | void SSL_CTX_set0_buffer_pool(SSL_CTX *ctx, CRYPTO_BUFFER_POOL *pool) { |
| 1302 | ctx->pool = pool; |
| 1303 | } |
| 1304 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1305 | int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len, |
| 1306 | size_t max_out) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1307 | *out_len = 0; |
| 1308 | OPENSSL_memset(out, 0, max_out); |
| 1309 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1310 | // tls-unique is not defined for TLS 1.3. |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1311 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1312 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1313 | return 0; |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1314 | } |
| 1315 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1316 | // The tls-unique value is the first Finished message in the handshake, which |
| 1317 | // is the client's in a full handshake and the server's for a resumption. See |
| 1318 | // https://tools.ietf.org/html/rfc5929#section-3.1. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1319 | const uint8_t *finished = ssl->s3->previous_client_finished; |
| 1320 | size_t finished_len = ssl->s3->previous_client_finished_len; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1321 | if (ssl->session != NULL) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1322 | // tls-unique is broken for resumed sessions unless EMS is used. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1323 | if (!ssl->session->extended_master_secret) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1324 | return 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1325 | } |
| 1326 | finished = ssl->s3->previous_server_finished; |
| 1327 | finished_len = ssl->s3->previous_server_finished_len; |
| 1328 | } |
| 1329 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1330 | *out_len = finished_len; |
| 1331 | if (finished_len > max_out) { |
| 1332 | *out_len = max_out; |
| 1333 | } |
| 1334 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1335 | OPENSSL_memcpy(out, finished, *out_len); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1336 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1337 | } |
| 1338 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1339 | static int set_session_id_context(CERT *cert, const uint8_t *sid_ctx, |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1340 | size_t sid_ctx_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1341 | if (sid_ctx_len > sizeof(cert->sid_ctx)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1342 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1343 | return 0; |
| 1344 | } |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1345 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1346 | static_assert(sizeof(cert->sid_ctx) < 256, "sid_ctx too large"); |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1347 | cert->sid_ctx_length = (uint8_t)sid_ctx_len; |
| 1348 | OPENSSL_memcpy(cert->sid_ctx, sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1349 | return 1; |
| 1350 | } |
| 1351 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1352 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const uint8_t *sid_ctx, |
| 1353 | size_t sid_ctx_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1354 | return set_session_id_context(ctx->cert.get(), sid_ctx, sid_ctx_len); |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1355 | } |
| 1356 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1357 | int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx, |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1358 | size_t sid_ctx_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1359 | if (!ssl->config) { |
| 1360 | return 0; |
| 1361 | } |
| 1362 | return set_session_id_context(ssl->config->cert.get(), sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1363 | } |
| 1364 | |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 1365 | const uint8_t *SSL_get0_session_id_context(const SSL *ssl, size_t *out_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1366 | if (!ssl->config) { |
| 1367 | assert(ssl->config); |
| 1368 | *out_len = 0; |
| 1369 | return NULL; |
| 1370 | } |
| 1371 | *out_len = ssl->config->cert->sid_ctx_length; |
| 1372 | return ssl->config->cert->sid_ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1373 | } |
| 1374 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1375 | void SSL_certs_clear(SSL *ssl) { |
| 1376 | if (!ssl->config) { |
| 1377 | return; |
| 1378 | } |
| 1379 | ssl_cert_clear_certs(ssl->config->cert.get()); |
| 1380 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1381 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1382 | int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1383 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1384 | int SSL_get_rfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1385 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1386 | BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1387 | if (b != NULL) { |
| 1388 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1389 | } |
| 1390 | return ret; |
| 1391 | } |
| 1392 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1393 | int SSL_get_wfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1394 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1395 | BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1396 | if (b != NULL) { |
| 1397 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1398 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1399 | return ret; |
| 1400 | } |
| 1401 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1402 | int SSL_set_fd(SSL *ssl, int fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1403 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1404 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1405 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1406 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1407 | } |
| 1408 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1409 | SSL_set_bio(ssl, bio, bio); |
| 1410 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1411 | } |
| 1412 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1413 | int SSL_set_wfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1414 | BIO *rbio = SSL_get_rbio(ssl); |
| 1415 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET || |
| 1416 | BIO_get_fd(rbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1417 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1418 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1419 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1420 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1421 | } |
| 1422 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1423 | SSL_set0_wbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1424 | } else { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1425 | // Copy the rbio over to the wbio. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1426 | BIO_up_ref(rbio); |
| 1427 | SSL_set0_wbio(ssl, rbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1428 | } |
| 1429 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1430 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1431 | } |
| 1432 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1433 | int SSL_set_rfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1434 | BIO *wbio = SSL_get_wbio(ssl); |
| 1435 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET || |
| 1436 | BIO_get_fd(wbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1437 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1438 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1439 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1440 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1441 | } |
| 1442 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1443 | SSL_set0_rbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1444 | } else { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1445 | // Copy the wbio over to the rbio. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1446 | BIO_up_ref(wbio); |
| 1447 | SSL_set0_rbio(ssl, wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1448 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1449 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1450 | } |
| 1451 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1452 | static size_t copy_finished(void *out, size_t out_len, const uint8_t *in, |
| 1453 | size_t in_len) { |
| 1454 | if (out_len > in_len) { |
| 1455 | out_len = in_len; |
| 1456 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1457 | OPENSSL_memcpy(out, in, out_len); |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1458 | return in_len; |
| 1459 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1460 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1461 | size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) { |
| 1462 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1463 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1464 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1465 | } |
| 1466 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1467 | if (ssl->server) { |
| 1468 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1469 | ssl->s3->previous_server_finished_len); |
| 1470 | } |
| 1471 | |
| 1472 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1473 | ssl->s3->previous_client_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1474 | } |
| 1475 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1476 | size_t SSL_get_peer_finished(const SSL *ssl, void *buf, size_t count) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1477 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1478 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1479 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1480 | } |
| 1481 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1482 | if (ssl->server) { |
| 1483 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1484 | ssl->s3->previous_client_finished_len); |
| 1485 | } |
| 1486 | |
| 1487 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1488 | ssl->s3->previous_server_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1489 | } |
| 1490 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1491 | int SSL_get_verify_mode(const SSL *ssl) { |
| 1492 | if (!ssl->config) { |
| 1493 | assert(ssl->config); |
| 1494 | return -1; |
| 1495 | } |
| 1496 | return ssl->config->verify_mode; |
| 1497 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1498 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1499 | int SSL_get_extms_support(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1500 | // TLS 1.3 does not require extended master secret and always reports as |
| 1501 | // supporting it. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1502 | if (!ssl->s3->have_version) { |
| 1503 | return 0; |
| 1504 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1505 | if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1506 | return 1; |
| 1507 | } |
| 1508 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1509 | // If the initial handshake completed, query the established session. |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1510 | if (ssl->s3->established_session != NULL) { |
| 1511 | return ssl->s3->established_session->extended_master_secret; |
| 1512 | } |
| 1513 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1514 | // Otherwise, query the in-progress handshake. |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1515 | if (ssl->s3->hs != NULL) { |
| 1516 | return ssl->s3->hs->extended_master_secret; |
| 1517 | } |
| 1518 | assert(0); |
| 1519 | return 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1520 | } |
| 1521 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1522 | int SSL_CTX_get_read_ahead(const SSL_CTX *ctx) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1523 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1524 | int SSL_get_read_ahead(const SSL *ssl) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1525 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1526 | int SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes) { return 1; } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1527 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1528 | int SSL_set_read_ahead(SSL *ssl, int yes) { return 1; } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1529 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1530 | int SSL_pending(const SSL *ssl) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1531 | return static_cast<int>(ssl->s3->pending_app_data.size()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1532 | } |
| 1533 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1534 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1535 | return ssl_cert_check_private_key(ctx->cert.get(), |
| 1536 | ctx->cert->privatekey.get()); |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1537 | } |
| 1538 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1539 | int SSL_check_private_key(const SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1540 | if (!ssl->config) { |
| 1541 | return 0; |
| 1542 | } |
| 1543 | return ssl_cert_check_private_key(ssl->config->cert.get(), |
| 1544 | ssl->config->cert->privatekey.get()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1545 | } |
| 1546 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1547 | long SSL_get_default_timeout(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1548 | return SSL_DEFAULT_SESSION_TIMEOUT; |
| 1549 | } |
| 1550 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1551 | int SSL_renegotiate(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1552 | // Caller-initiated renegotiation is not supported. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1553 | OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1554 | return 0; |
| 1555 | } |
| 1556 | |
| 1557 | int SSL_renegotiate_pending(SSL *ssl) { |
| 1558 | return SSL_in_init(ssl) && ssl->s3->initial_handshake_complete; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1559 | } |
| 1560 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1561 | int SSL_total_renegotiations(const SSL *ssl) { |
| 1562 | return ssl->s3->total_renegotiations; |
| 1563 | } |
| 1564 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1565 | size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx) { |
| 1566 | return ctx->max_cert_list; |
| 1567 | } |
| 1568 | |
| 1569 | void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, size_t max_cert_list) { |
| 1570 | if (max_cert_list > kMaxHandshakeSize) { |
| 1571 | max_cert_list = kMaxHandshakeSize; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1572 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1573 | ctx->max_cert_list = (uint32_t)max_cert_list; |
| 1574 | } |
| 1575 | |
| 1576 | size_t SSL_get_max_cert_list(const SSL *ssl) { |
| 1577 | return ssl->max_cert_list; |
| 1578 | } |
| 1579 | |
| 1580 | void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list) { |
| 1581 | if (max_cert_list > kMaxHandshakeSize) { |
| 1582 | max_cert_list = kMaxHandshakeSize; |
| 1583 | } |
| 1584 | ssl->max_cert_list = (uint32_t)max_cert_list; |
| 1585 | } |
| 1586 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1587 | int SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, size_t max_send_fragment) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1588 | if (max_send_fragment < 512) { |
| 1589 | max_send_fragment = 512; |
| 1590 | } |
| 1591 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1592 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1593 | } |
| 1594 | ctx->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1595 | |
| 1596 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1597 | } |
| 1598 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1599 | int SSL_set_max_send_fragment(SSL *ssl, size_t max_send_fragment) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1600 | if (max_send_fragment < 512) { |
| 1601 | max_send_fragment = 512; |
| 1602 | } |
| 1603 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1604 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1605 | } |
| 1606 | ssl->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1607 | |
| 1608 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1609 | } |
| 1610 | |
| 1611 | int SSL_set_mtu(SSL *ssl, unsigned mtu) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1612 | if (!SSL_is_dtls(ssl) || mtu < dtls1_min_mtu()) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1613 | return 0; |
| 1614 | } |
| 1615 | ssl->d1->mtu = mtu; |
| 1616 | return 1; |
| 1617 | } |
| 1618 | |
| 1619 | int SSL_get_secure_renegotiation_support(const SSL *ssl) { |
Steven Valdez | b0b45c6 | 2017-01-17 16:23:54 -0500 | [diff] [blame] | 1620 | if (!ssl->s3->have_version) { |
| 1621 | return 0; |
| 1622 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1623 | return ssl_protocol_version(ssl) >= TLS1_3_VERSION || |
Steven Valdez | b0b45c6 | 2017-01-17 16:23:54 -0500 | [diff] [blame] | 1624 | ssl->s3->send_connection_binding; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1625 | } |
| 1626 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1627 | size_t SSL_CTX_sess_number(const SSL_CTX *ctx) { |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 1628 | MutexReadLock lock(const_cast<CRYPTO_MUTEX *>(&ctx->lock)); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1629 | return lh_SSL_SESSION_num_items(ctx->sessions); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1630 | } |
| 1631 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1632 | unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, unsigned long size) { |
| 1633 | unsigned long ret = ctx->session_cache_size; |
| 1634 | ctx->session_cache_size = size; |
| 1635 | return ret; |
| 1636 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1637 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1638 | unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx) { |
| 1639 | return ctx->session_cache_size; |
| 1640 | } |
| 1641 | |
| 1642 | int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode) { |
| 1643 | int ret = ctx->session_cache_mode; |
| 1644 | ctx->session_cache_mode = mode; |
| 1645 | return ret; |
| 1646 | } |
| 1647 | |
| 1648 | int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx) { |
| 1649 | return ctx->session_cache_mode; |
| 1650 | } |
| 1651 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1652 | |
| 1653 | int SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, void *out, size_t len) { |
| 1654 | if (out == NULL) { |
| 1655 | return 48; |
| 1656 | } |
| 1657 | if (len != 48) { |
| 1658 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1659 | return 0; |
| 1660 | } |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1661 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1662 | // The default ticket keys are initialized lazily. Trigger a key |
| 1663 | // rotation to initialize them. |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1664 | if (!ssl_ctx_rotate_ticket_encryption_key(ctx)) { |
| 1665 | return 0; |
| 1666 | } |
| 1667 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1668 | uint8_t *out_bytes = reinterpret_cast<uint8_t *>(out); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1669 | MutexReadLock lock(&ctx->lock); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1670 | OPENSSL_memcpy(out_bytes, ctx->ticket_key_current->name, 16); |
| 1671 | OPENSSL_memcpy(out_bytes + 16, ctx->ticket_key_current->hmac_key, 16); |
| 1672 | OPENSSL_memcpy(out_bytes + 32, ctx->ticket_key_current->aes_key, 16); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1673 | return 1; |
| 1674 | } |
| 1675 | |
| 1676 | int SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, const void *in, size_t len) { |
| 1677 | if (in == NULL) { |
| 1678 | return 48; |
| 1679 | } |
| 1680 | if (len != 48) { |
| 1681 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1682 | return 0; |
| 1683 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1684 | auto key = MakeUnique<TicketKey>(); |
| 1685 | if (!key) { |
| 1686 | return 0; |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1687 | } |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1688 | const uint8_t *in_bytes = reinterpret_cast<const uint8_t *>(in); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1689 | OPENSSL_memcpy(key->name, in_bytes, 16); |
| 1690 | OPENSSL_memcpy(key->hmac_key, in_bytes + 16, 16); |
| 1691 | OPENSSL_memcpy(key->aes_key, in_bytes + 32, 16); |
| 1692 | // Disable automatic key rotation for manually-configured keys. This is now |
| 1693 | // the caller's responsibility. |
| 1694 | key->next_rotation_tv_sec = 0; |
| 1695 | ctx->ticket_key_current = std::move(key); |
| 1696 | ctx->ticket_key_prev.reset(); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1697 | return 1; |
| 1698 | } |
| 1699 | |
| 1700 | int SSL_CTX_set_tlsext_ticket_key_cb( |
| 1701 | SSL_CTX *ctx, int (*callback)(SSL *ssl, uint8_t *key_name, uint8_t *iv, |
| 1702 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, |
| 1703 | int encrypt)) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1704 | ctx->ticket_key_cb = callback; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1705 | return 1; |
| 1706 | } |
| 1707 | |
| 1708 | int SSL_CTX_set1_curves(SSL_CTX *ctx, const int *curves, size_t curves_len) { |
| 1709 | return tls1_set_curves(&ctx->supported_group_list, |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1710 | MakeConstSpan(curves, curves_len)); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | int SSL_set1_curves(SSL *ssl, const int *curves, size_t curves_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1714 | if (!ssl->config) { |
| 1715 | return 0; |
| 1716 | } |
| 1717 | return tls1_set_curves(&ssl->config->supported_group_list, |
| 1718 | MakeConstSpan(curves, curves_len)); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1719 | } |
| 1720 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1721 | int SSL_CTX_set1_curves_list(SSL_CTX *ctx, const char *curves) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1722 | return tls1_set_curves_list(&ctx->supported_group_list, curves); |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1723 | } |
| 1724 | |
| 1725 | int SSL_set1_curves_list(SSL *ssl, const char *curves) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1726 | if (!ssl->config) { |
| 1727 | return 0; |
| 1728 | } |
| 1729 | return tls1_set_curves_list(&ssl->config->supported_group_list, curves); |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1730 | } |
| 1731 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1732 | uint16_t SSL_get_curve_id(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1733 | // TODO(davidben): This checks the wrong session if there is a renegotiation |
| 1734 | // in progress. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1735 | SSL_SESSION *session = SSL_get_session(ssl); |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1736 | if (session == NULL) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1737 | return 0; |
| 1738 | } |
| 1739 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1740 | return session->group_id; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1741 | } |
| 1742 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1743 | int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1744 | return 1; |
| 1745 | } |
| 1746 | |
| 1747 | int SSL_set_tmp_dh(SSL *ssl, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1748 | return 1; |
| 1749 | } |
| 1750 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1751 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) { |
Robert Sloan | c6ebb28 | 2018-04-30 10:10:26 -0700 | [diff] [blame] | 1752 | return ctx->cipher_list->ciphers.get(); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1753 | } |
| 1754 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1755 | int SSL_CTX_cipher_in_group(const SSL_CTX *ctx, size_t i) { |
Robert Sloan | c6ebb28 | 2018-04-30 10:10:26 -0700 | [diff] [blame] | 1756 | if (i >= sk_SSL_CIPHER_num(ctx->cipher_list->ciphers.get())) { |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1757 | return 0; |
| 1758 | } |
| 1759 | return ctx->cipher_list->in_group_flags[i]; |
| 1760 | } |
| 1761 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1762 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl) { |
| 1763 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1764 | return NULL; |
| 1765 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1766 | if (ssl->config == NULL) { |
| 1767 | assert(ssl->config); |
| 1768 | return NULL; |
| 1769 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1770 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1771 | return ssl->config->cipher_list ? ssl->config->cipher_list->ciphers.get() |
| 1772 | : ssl->ctx->cipher_list->ciphers.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1773 | } |
| 1774 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1775 | const char *SSL_get_cipher_list(const SSL *ssl, int n) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1776 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1777 | return NULL; |
| 1778 | } |
| 1779 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1780 | STACK_OF(SSL_CIPHER) *sk = SSL_get_ciphers(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1781 | if (sk == NULL || n < 0 || (size_t)n >= sk_SSL_CIPHER_num(sk)) { |
| 1782 | return NULL; |
| 1783 | } |
| 1784 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1785 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, n); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1786 | if (c == NULL) { |
| 1787 | return NULL; |
| 1788 | } |
| 1789 | |
| 1790 | return c->name; |
| 1791 | } |
| 1792 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1793 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1794 | return ssl_create_cipher_list(&ctx->cipher_list, str, false /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1795 | } |
| 1796 | |
| 1797 | int SSL_CTX_set_strict_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1798 | return ssl_create_cipher_list(&ctx->cipher_list, str, true /* strict */); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1799 | } |
| 1800 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1801 | int SSL_set_cipher_list(SSL *ssl, const char *str) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1802 | if (!ssl->config) { |
| 1803 | return 0; |
| 1804 | } |
| 1805 | return ssl_create_cipher_list(&ssl->config->cipher_list, str, |
| 1806 | false /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1807 | } |
| 1808 | |
| 1809 | int SSL_set_strict_cipher_list(SSL *ssl, const char *str) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1810 | if (!ssl->config) { |
| 1811 | return 0; |
| 1812 | } |
| 1813 | return ssl_create_cipher_list(&ssl->config->cipher_list, str, |
| 1814 | true /* strict */); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1815 | } |
| 1816 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1817 | const char *SSL_get_servername(const SSL *ssl, const int type) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1818 | if (type != TLSEXT_NAMETYPE_host_name) { |
| 1819 | return NULL; |
| 1820 | } |
| 1821 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1822 | // Historically, |SSL_get_servername| was also the configuration getter |
| 1823 | // corresponding to |SSL_set_tlsext_host_name|. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1824 | if (ssl->hostname != nullptr) { |
| 1825 | return ssl->hostname.get(); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1826 | } |
| 1827 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1828 | return ssl->s3->hostname.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1829 | } |
| 1830 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1831 | int SSL_get_servername_type(const SSL *ssl) { |
Robert Sloan | d1d118f | 2017-09-11 09:00:48 -0700 | [diff] [blame] | 1832 | if (SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name) == NULL) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1833 | return -1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1834 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1835 | return TLSEXT_NAMETYPE_host_name; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1836 | } |
| 1837 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1838 | void SSL_CTX_set_custom_verify( |
| 1839 | SSL_CTX *ctx, int mode, |
| 1840 | enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) { |
| 1841 | ctx->verify_mode = mode; |
| 1842 | ctx->custom_verify_callback = callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1843 | } |
| 1844 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1845 | void SSL_set_custom_verify( |
| 1846 | SSL *ssl, int mode, |
| 1847 | enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1848 | if (!ssl->config) { |
| 1849 | return; |
| 1850 | } |
| 1851 | ssl->config->verify_mode = mode; |
| 1852 | ssl->config->custom_verify_callback = callback; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1853 | } |
| 1854 | |
| 1855 | void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1856 | ctx->signed_cert_timestamps_enabled = true; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1857 | } |
| 1858 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1859 | void SSL_enable_signed_cert_timestamps(SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1860 | if (!ssl->config) { |
| 1861 | return; |
| 1862 | } |
| 1863 | ssl->config->signed_cert_timestamps_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1864 | } |
| 1865 | |
| 1866 | void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1867 | ctx->ocsp_stapling_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1868 | } |
| 1869 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1870 | void SSL_enable_ocsp_stapling(SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1871 | if (!ssl->config) { |
| 1872 | return; |
| 1873 | } |
| 1874 | ssl->config->ocsp_stapling_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1875 | } |
| 1876 | |
| 1877 | void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, const uint8_t **out, |
| 1878 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1879 | SSL_SESSION *session = SSL_get_session(ssl); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1880 | if (ssl->server || !session || !session->signed_cert_timestamp_list) { |
| 1881 | *out_len = 0; |
| 1882 | *out = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1883 | return; |
| 1884 | } |
| 1885 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1886 | *out = CRYPTO_BUFFER_data(session->signed_cert_timestamp_list.get()); |
| 1887 | *out_len = CRYPTO_BUFFER_len(session->signed_cert_timestamp_list.get()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1888 | } |
| 1889 | |
| 1890 | void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, |
| 1891 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1892 | SSL_SESSION *session = SSL_get_session(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1893 | if (ssl->server || !session || !session->ocsp_response) { |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1894 | *out_len = 0; |
| 1895 | *out = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1896 | return; |
| 1897 | } |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1898 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1899 | *out = CRYPTO_BUFFER_data(session->ocsp_response.get()); |
| 1900 | *out_len = CRYPTO_BUFFER_len(session->ocsp_response.get()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1901 | } |
| 1902 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1903 | int SSL_set_tlsext_host_name(SSL *ssl, const char *name) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1904 | ssl->hostname.reset(); |
| 1905 | if (name == nullptr) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1906 | return 1; |
| 1907 | } |
| 1908 | |
| 1909 | size_t len = strlen(name); |
| 1910 | if (len == 0 || len > TLSEXT_MAXLEN_host_name) { |
| 1911 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME); |
| 1912 | return 0; |
| 1913 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1914 | ssl->hostname.reset(BUF_strdup(name)); |
| 1915 | if (ssl->hostname == nullptr) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1916 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 1917 | return 0; |
| 1918 | } |
| 1919 | return 1; |
| 1920 | } |
| 1921 | |
| 1922 | int SSL_CTX_set_tlsext_servername_callback( |
| 1923 | SSL_CTX *ctx, int (*callback)(SSL *ssl, int *out_alert, void *arg)) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1924 | ctx->servername_callback = callback; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1925 | return 1; |
| 1926 | } |
| 1927 | |
| 1928 | int SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1929 | ctx->servername_arg = arg; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1930 | return 1; |
| 1931 | } |
| 1932 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1933 | int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, const uint8_t *peer, |
| 1934 | unsigned peer_len, const uint8_t *supported, |
| 1935 | unsigned supported_len) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1936 | const uint8_t *result; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1937 | int status; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1938 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1939 | // For each protocol in peer preference order, see if we support it. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1940 | for (unsigned i = 0; i < peer_len;) { |
| 1941 | for (unsigned j = 0; j < supported_len;) { |
| 1942 | if (peer[i] == supported[j] && |
| 1943 | OPENSSL_memcmp(&peer[i + 1], &supported[j + 1], peer[i]) == 0) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1944 | // We found a match |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1945 | result = &peer[i]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1946 | status = OPENSSL_NPN_NEGOTIATED; |
| 1947 | goto found; |
| 1948 | } |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1949 | j += supported[j]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1950 | j++; |
| 1951 | } |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1952 | i += peer[i]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1953 | i++; |
| 1954 | } |
| 1955 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1956 | // There's no overlap between our protocols and the peer's list. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1957 | result = supported; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1958 | status = OPENSSL_NPN_NO_OVERLAP; |
| 1959 | |
| 1960 | found: |
| 1961 | *out = (uint8_t *)result + 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1962 | *out_len = result[0]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1963 | return status; |
| 1964 | } |
| 1965 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1966 | void SSL_get0_next_proto_negotiated(const SSL *ssl, const uint8_t **out_data, |
| 1967 | unsigned *out_len) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1968 | *out_data = ssl->s3->next_proto_negotiated.data(); |
| 1969 | *out_len = ssl->s3->next_proto_negotiated.size(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1970 | } |
| 1971 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1972 | void SSL_CTX_set_next_protos_advertised_cb( |
| 1973 | SSL_CTX *ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1974 | int (*cb)(SSL *ssl, const uint8_t **out, unsigned *out_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1975 | void *arg) { |
| 1976 | ctx->next_protos_advertised_cb = cb; |
| 1977 | ctx->next_protos_advertised_cb_arg = arg; |
| 1978 | } |
| 1979 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1980 | void SSL_CTX_set_next_proto_select_cb( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1981 | SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, |
| 1982 | const uint8_t *in, unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1983 | void *arg) { |
| 1984 | ctx->next_proto_select_cb = cb; |
| 1985 | ctx->next_proto_select_cb_arg = arg; |
| 1986 | } |
| 1987 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1988 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, |
| 1989 | unsigned protos_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1990 | // Note this function's calling convention is backwards. |
| 1991 | return ctx->alpn_client_proto_list.CopyFrom(MakeConstSpan(protos, protos_len)) |
| 1992 | ? 0 |
| 1993 | : 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1994 | } |
| 1995 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1996 | int SSL_set_alpn_protos(SSL *ssl, const uint8_t *protos, unsigned protos_len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 1997 | // Note this function's calling convention is backwards. |
| 1998 | if (!ssl->config) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1999 | return 1; |
| 2000 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2001 | return ssl->config->alpn_client_proto_list.CopyFrom( |
| 2002 | MakeConstSpan(protos, protos_len)) |
| 2003 | ? 0 |
| 2004 | : 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2005 | } |
| 2006 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2007 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, |
| 2008 | int (*cb)(SSL *ssl, const uint8_t **out, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2009 | uint8_t *out_len, const uint8_t *in, |
| 2010 | unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2011 | void *arg) { |
| 2012 | ctx->alpn_select_cb = cb; |
| 2013 | ctx->alpn_select_cb_arg = arg; |
| 2014 | } |
| 2015 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2016 | void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **out_data, |
| 2017 | unsigned *out_len) { |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2018 | if (SSL_in_early_data(ssl) && !ssl->server) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2019 | *out_data = ssl->s3->hs->early_session->early_alpn.data(); |
| 2020 | *out_len = ssl->s3->hs->early_session->early_alpn.size(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2021 | } else { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2022 | *out_data = ssl->s3->alpn_selected.data(); |
| 2023 | *out_len = ssl->s3->alpn_selected.size(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2024 | } |
| 2025 | } |
| 2026 | |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 2027 | void SSL_CTX_set_allow_unknown_alpn_protos(SSL_CTX *ctx, int enabled) { |
| 2028 | ctx->allow_unknown_alpn_protos = !!enabled; |
| 2029 | } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2030 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2031 | int SSL_CTX_add_cert_compression_alg(SSL_CTX *ctx, uint16_t alg_id, |
| 2032 | ssl_cert_compression_func_t compress, |
| 2033 | ssl_cert_decompression_func_t decompress) { |
| 2034 | assert(compress != nullptr || decompress != nullptr); |
| 2035 | |
| 2036 | for (const auto *alg : ctx->cert_compression_algs.get()) { |
| 2037 | if (alg->alg_id == alg_id) { |
| 2038 | return 0; |
| 2039 | } |
| 2040 | } |
| 2041 | |
| 2042 | UniquePtr<CertCompressionAlg> alg = MakeUnique<CertCompressionAlg>(); |
| 2043 | if (alg == nullptr) { |
| 2044 | return 0; |
| 2045 | } |
| 2046 | |
| 2047 | alg->alg_id = alg_id; |
| 2048 | alg->compress = compress; |
| 2049 | alg->decompress = decompress; |
| 2050 | |
| 2051 | if (ctx->cert_compression_algs == nullptr) { |
| 2052 | ctx->cert_compression_algs.reset(sk_CertCompressionAlg_new_null()); |
| 2053 | if (ctx->cert_compression_algs == nullptr) { |
| 2054 | return 0; |
| 2055 | } |
| 2056 | } |
| 2057 | |
| 2058 | if (!PushToStack(ctx->cert_compression_algs.get(), std::move(alg))) { |
| 2059 | if (sk_CertCompressionAlg_num(ctx->cert_compression_algs.get()) == 0) { |
| 2060 | ctx->cert_compression_algs.reset(); |
| 2061 | } |
| 2062 | return 0; |
| 2063 | } |
| 2064 | |
| 2065 | return 1; |
| 2066 | } |
| 2067 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2068 | void SSL_CTX_set_tls_channel_id_enabled(SSL_CTX *ctx, int enabled) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2069 | ctx->channel_id_enabled = !!enabled; |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2070 | } |
| 2071 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2072 | int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2073 | SSL_CTX_set_tls_channel_id_enabled(ctx, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2074 | return 1; |
| 2075 | } |
| 2076 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2077 | void SSL_set_tls_channel_id_enabled(SSL *ssl, int enabled) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2078 | if (!ssl->config) { |
| 2079 | return; |
| 2080 | } |
| 2081 | ssl->config->channel_id_enabled = !!enabled; |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2082 | } |
| 2083 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2084 | int SSL_enable_tls_channel_id(SSL *ssl) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2085 | SSL_set_tls_channel_id_enabled(ssl, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2086 | return 1; |
| 2087 | } |
| 2088 | |
| 2089 | static int is_p256_key(EVP_PKEY *private_key) { |
| 2090 | const EC_KEY *ec_key = EVP_PKEY_get0_EC_KEY(private_key); |
| 2091 | return ec_key != NULL && |
| 2092 | EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)) == |
| 2093 | NID_X9_62_prime256v1; |
| 2094 | } |
| 2095 | |
| 2096 | int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, EVP_PKEY *private_key) { |
| 2097 | if (!is_p256_key(private_key)) { |
| 2098 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 2099 | return 0; |
| 2100 | } |
| 2101 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2102 | ctx->channel_id_private = UpRef(private_key); |
| 2103 | ctx->channel_id_enabled = true; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2104 | |
| 2105 | return 1; |
| 2106 | } |
| 2107 | |
| 2108 | int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2109 | if (!ssl->config) { |
| 2110 | return 0; |
| 2111 | } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2112 | if (!is_p256_key(private_key)) { |
| 2113 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 2114 | return 0; |
| 2115 | } |
| 2116 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2117 | ssl->config->channel_id_private = UpRef(private_key); |
| 2118 | ssl->config->channel_id_enabled = true; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2119 | |
| 2120 | return 1; |
| 2121 | } |
| 2122 | |
| 2123 | size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, size_t max_out) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2124 | if (!ssl->s3->channel_id_valid) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2125 | return 0; |
| 2126 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2127 | OPENSSL_memcpy(out, ssl->s3->channel_id, (max_out < 64) ? max_out : 64); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2128 | return 64; |
| 2129 | } |
| 2130 | |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2131 | int SSL_set_token_binding_params(SSL *ssl, const uint8_t *params, size_t len) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2132 | if (!ssl->config) { |
| 2133 | return 0; |
| 2134 | } |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2135 | if (len > 256) { |
| 2136 | OPENSSL_PUT_ERROR(SSL, ERR_R_OVERFLOW); |
| 2137 | return 0; |
| 2138 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2139 | return ssl->config->token_binding_params.CopyFrom(MakeConstSpan(params, len)); |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2140 | } |
| 2141 | |
| 2142 | int SSL_is_token_binding_negotiated(const SSL *ssl) { |
Robert Sloan | 15c0b35 | 2018-04-16 08:36:46 -0700 | [diff] [blame] | 2143 | return ssl->s3->token_binding_negotiated; |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2144 | } |
| 2145 | |
| 2146 | uint8_t SSL_get_negotiated_token_binding_param(const SSL *ssl) { |
Robert Sloan | 15c0b35 | 2018-04-16 08:36:46 -0700 | [diff] [blame] | 2147 | return ssl->s3->negotiated_token_binding_param; |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2148 | } |
| 2149 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2150 | size_t SSL_get0_certificate_types(const SSL *ssl, const uint8_t **out_types) { |
| 2151 | Span<const uint8_t> types; |
| 2152 | if (!ssl->server && ssl->s3->hs != nullptr) { |
| 2153 | types = ssl->s3->hs->certificate_types; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2154 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2155 | *out_types = types.data(); |
| 2156 | return types.size(); |
| 2157 | } |
| 2158 | |
| 2159 | size_t SSL_get0_peer_verify_algorithms(const SSL *ssl, |
| 2160 | const uint16_t **out_sigalgs) { |
| 2161 | Span<const uint16_t> sigalgs; |
| 2162 | if (ssl->s3->hs != nullptr) { |
| 2163 | sigalgs = ssl->s3->hs->peer_sigalgs; |
| 2164 | } |
| 2165 | *out_sigalgs = sigalgs.data(); |
| 2166 | return sigalgs.size(); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2167 | } |
| 2168 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2169 | EVP_PKEY *SSL_get_privatekey(const SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2170 | if (!ssl->config) { |
| 2171 | assert(ssl->config); |
| 2172 | return NULL; |
| 2173 | } |
| 2174 | if (ssl->config->cert != NULL) { |
| 2175 | return ssl->config->cert->privatekey.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2176 | } |
| 2177 | |
| 2178 | return NULL; |
| 2179 | } |
| 2180 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2181 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) { |
| 2182 | if (ctx->cert != NULL) { |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 2183 | return ctx->cert->privatekey.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2184 | } |
| 2185 | |
| 2186 | return NULL; |
| 2187 | } |
| 2188 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2189 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 2190 | return ssl->s3->aead_write_ctx->cipher(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2191 | } |
| 2192 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2193 | int SSL_session_reused(const SSL *ssl) { |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2194 | return ssl->s3->session_reused || SSL_in_early_data(ssl); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2195 | } |
| 2196 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2197 | const COMP_METHOD *SSL_get_current_compression(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2198 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2199 | const COMP_METHOD *SSL_get_current_expansion(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2200 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2201 | int SSL_get_server_tmp_key(SSL *ssl, EVP_PKEY **out_key) { return 0; } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2202 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2203 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2204 | ctx->quiet_shutdown = (mode != 0); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2205 | } |
| 2206 | |
| 2207 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) { |
| 2208 | return ctx->quiet_shutdown; |
| 2209 | } |
| 2210 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2211 | void SSL_set_quiet_shutdown(SSL *ssl, int mode) { |
| 2212 | ssl->quiet_shutdown = (mode != 0); |
| 2213 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2214 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2215 | int SSL_get_quiet_shutdown(const SSL *ssl) { return ssl->quiet_shutdown; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2216 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2217 | void SSL_set_shutdown(SSL *ssl, int mode) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2218 | // It is an error to clear any bits that have already been set. (We can't try |
| 2219 | // to get a second close_notify or send two.) |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2220 | assert((SSL_get_shutdown(ssl) & mode) == SSL_get_shutdown(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2221 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2222 | if (mode & SSL_RECEIVED_SHUTDOWN && |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2223 | ssl->s3->read_shutdown == ssl_shutdown_none) { |
| 2224 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2225 | } |
| 2226 | |
| 2227 | if (mode & SSL_SENT_SHUTDOWN && |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2228 | ssl->s3->write_shutdown == ssl_shutdown_none) { |
| 2229 | ssl->s3->write_shutdown = ssl_shutdown_close_notify; |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2230 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2231 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2232 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2233 | int SSL_get_shutdown(const SSL *ssl) { |
| 2234 | int ret = 0; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2235 | if (ssl->s3->read_shutdown != ssl_shutdown_none) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2236 | // Historically, OpenSSL set |SSL_RECEIVED_SHUTDOWN| on both close_notify |
| 2237 | // and fatal alert. |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2238 | ret |= SSL_RECEIVED_SHUTDOWN; |
| 2239 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2240 | if (ssl->s3->write_shutdown == ssl_shutdown_close_notify) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2241 | // Historically, OpenSSL set |SSL_SENT_SHUTDOWN| on only close_notify. |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2242 | ret |= SSL_SENT_SHUTDOWN; |
| 2243 | } |
| 2244 | return ret; |
| 2245 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2246 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2247 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) { return ssl->ctx.get(); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2248 | |
| 2249 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2250 | if (!ssl->config) { |
| 2251 | return NULL; |
| 2252 | } |
| 2253 | if (ssl->ctx.get() == ctx) { |
| 2254 | return ssl->ctx.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2255 | } |
| 2256 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2257 | // One cannot change the X.509 callbacks during a connection. |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 2258 | if (ssl->ctx->x509_method != ctx->x509_method) { |
| 2259 | assert(0); |
| 2260 | return NULL; |
| 2261 | } |
| 2262 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2263 | if (ctx == NULL) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2264 | ctx = ssl->session_ctx.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2265 | } |
| 2266 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2267 | UniquePtr<CERT> new_cert = ssl_cert_dup(ctx->cert.get()); |
| 2268 | if (!new_cert) { |
| 2269 | return nullptr; |
| 2270 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2271 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2272 | ssl->config->cert = std::move(new_cert); |
| 2273 | ssl->ctx = UpRef(ctx); |
| 2274 | ssl->enable_early_data = ssl->ctx->enable_early_data; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2275 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2276 | return ssl->ctx.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2277 | } |
| 2278 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2279 | void SSL_set_info_callback(SSL *ssl, |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2280 | void (*cb)(const SSL *ssl, int type, int value)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2281 | ssl->info_callback = cb; |
| 2282 | } |
| 2283 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2284 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, |
| 2285 | int value) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2286 | return ssl->info_callback; |
| 2287 | } |
| 2288 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2289 | int SSL_state(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2290 | return SSL_in_init(ssl) ? SSL_ST_INIT : SSL_ST_OK; |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2291 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2292 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2293 | void SSL_set_state(SSL *ssl, int state) { } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2294 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2295 | char *SSL_get_shared_ciphers(const SSL *ssl, char *buf, int len) { |
| 2296 | if (len <= 0) { |
| 2297 | return NULL; |
| 2298 | } |
| 2299 | buf[0] = '\0'; |
| 2300 | return buf; |
| 2301 | } |
| 2302 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2303 | int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2304 | CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2305 | int index; |
| 2306 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl, &index, argl, argp, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2307 | free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2308 | return -1; |
| 2309 | } |
| 2310 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2311 | } |
| 2312 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2313 | int SSL_set_ex_data(SSL *ssl, int idx, void *data) { |
| 2314 | return CRYPTO_set_ex_data(&ssl->ex_data, idx, data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2315 | } |
| 2316 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2317 | void *SSL_get_ex_data(const SSL *ssl, int idx) { |
| 2318 | return CRYPTO_get_ex_data(&ssl->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2319 | } |
| 2320 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2321 | int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2322 | CRYPTO_EX_dup *dup_unused, |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2323 | CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2324 | int index; |
| 2325 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl_ctx, &index, argl, argp, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2326 | free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2327 | return -1; |
| 2328 | } |
| 2329 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2330 | } |
| 2331 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2332 | int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *data) { |
| 2333 | return CRYPTO_set_ex_data(&ctx->ex_data, idx, data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2334 | } |
| 2335 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2336 | void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx) { |
| 2337 | return CRYPTO_get_ex_data(&ctx->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2338 | } |
| 2339 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2340 | int SSL_want(const SSL *ssl) { return ssl->s3->rwstate; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2341 | |
| 2342 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, |
| 2343 | RSA *(*cb)(SSL *ssl, int is_export, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2344 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2345 | |
| 2346 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2347 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2348 | |
| 2349 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2350 | DH *(*cb)(SSL *ssl, int is_export, |
| 2351 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2352 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2353 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*cb)(SSL *ssl, int is_export, |
| 2354 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2355 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2356 | static int use_psk_identity_hint(UniquePtr<char> *out, |
| 2357 | const char *identity_hint) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2358 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2359 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2360 | return 0; |
| 2361 | } |
| 2362 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2363 | // Clear currently configured hint, if any. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2364 | out->reset(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2365 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2366 | // Treat the empty hint as not supplying one. Plain PSK makes it possible to |
| 2367 | // send either no hint (omit ServerKeyExchange) or an empty hint, while |
| 2368 | // ECDHE_PSK can only spell empty hint. Having different capabilities is odd, |
| 2369 | // so we interpret empty and missing as identical. |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2370 | if (identity_hint != NULL && identity_hint[0] != '\0') { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2371 | out->reset(BUF_strdup(identity_hint)); |
| 2372 | if (*out == nullptr) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2373 | return 0; |
| 2374 | } |
| 2375 | } |
| 2376 | |
| 2377 | return 1; |
| 2378 | } |
| 2379 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2380 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) { |
| 2381 | return use_psk_identity_hint(&ctx->psk_identity_hint, identity_hint); |
| 2382 | } |
| 2383 | |
| 2384 | int SSL_use_psk_identity_hint(SSL *ssl, const char *identity_hint) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2385 | if (!ssl->config) { |
| 2386 | return 0; |
| 2387 | } |
| 2388 | return use_psk_identity_hint(&ssl->config->psk_identity_hint, identity_hint); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2389 | } |
| 2390 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2391 | const char *SSL_get_psk_identity_hint(const SSL *ssl) { |
| 2392 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2393 | return NULL; |
| 2394 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2395 | if (ssl->config == NULL) { |
| 2396 | assert(ssl->config); |
| 2397 | return NULL; |
| 2398 | } |
| 2399 | return ssl->config->psk_identity_hint.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2400 | } |
| 2401 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2402 | const char *SSL_get_psk_identity(const SSL *ssl) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2403 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2404 | return NULL; |
| 2405 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2406 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2407 | if (session == NULL) { |
| 2408 | return NULL; |
| 2409 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2410 | return session->psk_identity.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2411 | } |
| 2412 | |
| 2413 | void SSL_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2414 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2415 | unsigned max_identity_len, uint8_t *psk, |
| 2416 | unsigned max_psk_len)) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2417 | if (!ssl->config) { |
| 2418 | return; |
| 2419 | } |
| 2420 | ssl->config->psk_client_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2421 | } |
| 2422 | |
| 2423 | void SSL_CTX_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2424 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2425 | unsigned max_identity_len, uint8_t *psk, |
| 2426 | unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2427 | ctx->psk_client_callback = cb; |
| 2428 | } |
| 2429 | |
| 2430 | void SSL_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2431 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *identity, uint8_t *psk, |
| 2432 | unsigned max_psk_len)) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2433 | if (!ssl->config) { |
| 2434 | return; |
| 2435 | } |
| 2436 | ssl->config->psk_server_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2437 | } |
| 2438 | |
| 2439 | void SSL_CTX_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2440 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *identity, |
| 2441 | uint8_t *psk, unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2442 | ctx->psk_server_callback = cb; |
| 2443 | } |
| 2444 | |
Robert Sloan | 0db7f54 | 2018-01-16 15:48:33 -0800 | [diff] [blame] | 2445 | int SSL_set_dummy_pq_padding_size(SSL *ssl, size_t num_bytes) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2446 | if (!ssl->config) { |
| 2447 | return 0; |
| 2448 | } |
Robert Sloan | 0db7f54 | 2018-01-16 15:48:33 -0800 | [diff] [blame] | 2449 | if (num_bytes > 0xffff) { |
| 2450 | return 0; |
| 2451 | } |
| 2452 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2453 | ssl->config->dummy_pq_padding_len = num_bytes; |
Robert Sloan | 0db7f54 | 2018-01-16 15:48:33 -0800 | [diff] [blame] | 2454 | return 1; |
| 2455 | } |
| 2456 | |
Robert Sloan | ab8b888 | 2018-03-26 11:39:51 -0700 | [diff] [blame] | 2457 | int SSL_dummy_pq_padding_used(SSL *ssl) { |
| 2458 | if (ssl->server) { |
| 2459 | return 0; |
| 2460 | } |
| 2461 | |
| 2462 | return ssl->did_dummy_pq_padding; |
| 2463 | } |
| 2464 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2465 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
| 2466 | void (*cb)(int write_p, int version, |
| 2467 | int content_type, const void *buf, |
| 2468 | size_t len, SSL *ssl, void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2469 | ctx->msg_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2470 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2471 | |
| 2472 | void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg) { |
| 2473 | ctx->msg_callback_arg = arg; |
| 2474 | } |
| 2475 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2476 | void SSL_set_msg_callback(SSL *ssl, |
| 2477 | void (*cb)(int write_p, int version, int content_type, |
| 2478 | const void *buf, size_t len, SSL *ssl, |
| 2479 | void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2480 | ssl->msg_callback = cb; |
| 2481 | } |
| 2482 | |
| 2483 | void SSL_set_msg_callback_arg(SSL *ssl, void *arg) { |
| 2484 | ssl->msg_callback_arg = arg; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2485 | } |
| 2486 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2487 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, |
| 2488 | void (*cb)(const SSL *ssl, const char *line)) { |
| 2489 | ctx->keylog_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2490 | } |
| 2491 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2492 | void (*SSL_CTX_get_keylog_callback(const SSL_CTX *ctx))(const SSL *ssl, |
| 2493 | const char *line) { |
| 2494 | return ctx->keylog_callback; |
| 2495 | } |
| 2496 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2497 | void SSL_CTX_set_current_time_cb(SSL_CTX *ctx, |
| 2498 | void (*cb)(const SSL *ssl, |
| 2499 | struct timeval *out_clock)) { |
| 2500 | ctx->current_time_cb = cb; |
| 2501 | } |
| 2502 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2503 | int SSL_is_init_finished(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2504 | return !SSL_in_init(ssl); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2505 | } |
| 2506 | |
| 2507 | int SSL_in_init(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2508 | // This returns false once all the handshake state has been finalized, to |
| 2509 | // allow callbacks and getters based on SSL_in_init to return the correct |
| 2510 | // values. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2511 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2512 | return hs != nullptr && !hs->handshake_finalized; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2513 | } |
| 2514 | |
| 2515 | int SSL_in_false_start(const SSL *ssl) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 2516 | if (ssl->s3->hs == NULL) { |
| 2517 | return 0; |
| 2518 | } |
| 2519 | return ssl->s3->hs->in_false_start; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2520 | } |
| 2521 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2522 | int SSL_cutthrough_complete(const SSL *ssl) { |
| 2523 | return SSL_in_false_start(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2524 | } |
| 2525 | |
| 2526 | void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size, |
| 2527 | size_t *ssl_session_size) { |
| 2528 | *ssl_size = sizeof(SSL); |
| 2529 | *ssl_ctx_size = sizeof(SSL_CTX); |
| 2530 | *ssl_session_size = sizeof(SSL_SESSION); |
| 2531 | } |
| 2532 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2533 | int SSL_is_server(const SSL *ssl) { return ssl->server; } |
| 2534 | |
| 2535 | int SSL_is_dtls(const SSL *ssl) { return ssl->method->is_dtls; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2536 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 2537 | void SSL_CTX_set_select_certificate_cb( |
| 2538 | SSL_CTX *ctx, |
| 2539 | enum ssl_select_cert_result_t (*cb)(const SSL_CLIENT_HELLO *)) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2540 | ctx->select_certificate_cb = cb; |
| 2541 | } |
| 2542 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2543 | void SSL_CTX_set_dos_protection_cb(SSL_CTX *ctx, |
| 2544 | int (*cb)(const SSL_CLIENT_HELLO *)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2545 | ctx->dos_protection_cb = cb; |
| 2546 | } |
| 2547 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2548 | void SSL_set_renegotiate_mode(SSL *ssl, enum ssl_renegotiate_mode_t mode) { |
| 2549 | ssl->renegotiate_mode = mode; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2550 | |
| 2551 | // Check if |ssl_can_renegotiate| has changed and the configuration may now be |
| 2552 | // shed. HTTP clients may initially allow renegotiation for HTTP/1.1, and then |
| 2553 | // disable after the handshake once the ALPN protocol is known to be HTTP/2. |
| 2554 | ssl_maybe_shed_handshake_config(ssl); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2555 | } |
| 2556 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2557 | int SSL_get_ivs(const SSL *ssl, const uint8_t **out_read_iv, |
| 2558 | const uint8_t **out_write_iv, size_t *out_iv_len) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2559 | size_t write_iv_len; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 2560 | if (!ssl->s3->aead_read_ctx->GetIV(out_read_iv, out_iv_len) || |
| 2561 | !ssl->s3->aead_write_ctx->GetIV(out_write_iv, &write_iv_len) || |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2562 | *out_iv_len != write_iv_len) { |
| 2563 | return 0; |
| 2564 | } |
| 2565 | |
| 2566 | return 1; |
| 2567 | } |
| 2568 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2569 | static uint64_t be_to_u64(const uint8_t in[8]) { |
| 2570 | return (((uint64_t)in[0]) << 56) | (((uint64_t)in[1]) << 48) | |
| 2571 | (((uint64_t)in[2]) << 40) | (((uint64_t)in[3]) << 32) | |
| 2572 | (((uint64_t)in[4]) << 24) | (((uint64_t)in[5]) << 16) | |
| 2573 | (((uint64_t)in[6]) << 8) | ((uint64_t)in[7]); |
| 2574 | } |
| 2575 | |
| 2576 | uint64_t SSL_get_read_sequence(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2577 | // TODO(davidben): Internally represent sequence numbers as uint64_t. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2578 | if (SSL_is_dtls(ssl)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2579 | // max_seq_num already includes the epoch. |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2580 | assert(ssl->d1->r_epoch == (ssl->d1->bitmap.max_seq_num >> 48)); |
| 2581 | return ssl->d1->bitmap.max_seq_num; |
| 2582 | } |
| 2583 | return be_to_u64(ssl->s3->read_sequence); |
| 2584 | } |
| 2585 | |
| 2586 | uint64_t SSL_get_write_sequence(const SSL *ssl) { |
| 2587 | uint64_t ret = be_to_u64(ssl->s3->write_sequence); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2588 | if (SSL_is_dtls(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2589 | assert((ret >> 48) == 0); |
| 2590 | ret |= ((uint64_t)ssl->d1->w_epoch) << 48; |
| 2591 | } |
| 2592 | return ret; |
| 2593 | } |
| 2594 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2595 | uint16_t SSL_get_peer_signature_algorithm(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2596 | // TODO(davidben): This checks the wrong session if there is a renegotiation |
| 2597 | // in progress. |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2598 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2599 | if (session == NULL) { |
| 2600 | return 0; |
| 2601 | } |
| 2602 | |
| 2603 | return session->peer_signature_algorithm; |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2604 | } |
| 2605 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2606 | size_t SSL_get_client_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2607 | if (max_out == 0) { |
| 2608 | return sizeof(ssl->s3->client_random); |
| 2609 | } |
| 2610 | if (max_out > sizeof(ssl->s3->client_random)) { |
| 2611 | max_out = sizeof(ssl->s3->client_random); |
| 2612 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2613 | OPENSSL_memcpy(out, ssl->s3->client_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2614 | return max_out; |
| 2615 | } |
| 2616 | |
| 2617 | size_t SSL_get_server_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2618 | if (max_out == 0) { |
| 2619 | return sizeof(ssl->s3->server_random); |
| 2620 | } |
| 2621 | if (max_out > sizeof(ssl->s3->server_random)) { |
| 2622 | max_out = sizeof(ssl->s3->server_random); |
| 2623 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2624 | OPENSSL_memcpy(out, ssl->s3->server_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2625 | return max_out; |
| 2626 | } |
| 2627 | |
| 2628 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *ssl) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2629 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2630 | if (hs == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2631 | return NULL; |
| 2632 | } |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2633 | return hs->new_cipher; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2634 | } |
| 2635 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 2636 | void SSL_set_retain_only_sha256_of_client_certs(SSL *ssl, int enabled) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2637 | if (!ssl->config) { |
| 2638 | return; |
| 2639 | } |
| 2640 | ssl->config->retain_only_sha256_of_client_certs = !!enabled; |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 2641 | } |
| 2642 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2643 | void SSL_CTX_set_retain_only_sha256_of_client_certs(SSL_CTX *ctx, int enabled) { |
| 2644 | ctx->retain_only_sha256_of_client_certs = !!enabled; |
| 2645 | } |
| 2646 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 2647 | void SSL_CTX_set_grease_enabled(SSL_CTX *ctx, int enabled) { |
| 2648 | ctx->grease_enabled = !!enabled; |
| 2649 | } |
| 2650 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2651 | int32_t SSL_get_ticket_age_skew(const SSL *ssl) { |
| 2652 | return ssl->s3->ticket_age_skew; |
| 2653 | } |
| 2654 | |
Robert Sloan | cd79cde | 2017-12-11 09:06:12 -0800 | [diff] [blame] | 2655 | void SSL_CTX_set_false_start_allowed_without_alpn(SSL_CTX *ctx, int allowed) { |
| 2656 | ctx->false_start_allowed_without_alpn = !!allowed; |
| 2657 | } |
| 2658 | |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 2659 | int SSL_is_draft_downgrade(const SSL *ssl) { return ssl->s3->draft_downgrade; } |
| 2660 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2661 | void SSL_set_shed_handshake_config(SSL *ssl, int enable) { |
| 2662 | if (!ssl->config) { |
| 2663 | return; |
| 2664 | } |
| 2665 | ssl->config->shed_handshake_config = !!enable; |
| 2666 | } |
| 2667 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2668 | int SSL_clear(SSL *ssl) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2669 | if (!ssl->config) { |
| 2670 | return 0; // SSL_clear may not be used after shedding config. |
| 2671 | } |
| 2672 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2673 | // In OpenSSL, reusing a client |SSL| with |SSL_clear| causes the previously |
| 2674 | // established session to be offered the next time around. wpa_supplicant |
| 2675 | // depends on this behavior, so emulate it. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2676 | UniquePtr<SSL_SESSION> session; |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2677 | if (!ssl->server && ssl->s3->established_session != NULL) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2678 | session = UpRef(ssl->s3->established_session); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2679 | } |
| 2680 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2681 | // The ssl->d1->mtu is simultaneously configuration (preserved across |
| 2682 | // clear) and connection-specific state (gets reset). |
| 2683 | // |
| 2684 | // TODO(davidben): Avoid this. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2685 | unsigned mtu = 0; |
| 2686 | if (ssl->d1 != NULL) { |
| 2687 | mtu = ssl->d1->mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2688 | } |
| 2689 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2690 | ssl->method->ssl_free(ssl); |
| 2691 | if (!ssl->method->ssl_new(ssl)) { |
| 2692 | return 0; |
| 2693 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2694 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2695 | if (SSL_is_dtls(ssl) && (SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2696 | ssl->d1->mtu = mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2697 | } |
| 2698 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2699 | if (session != nullptr) { |
| 2700 | SSL_set_session(ssl, session.get()); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2701 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2702 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2703 | return 1; |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 2704 | } |
| 2705 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2706 | int SSL_CTX_sess_connect(const SSL_CTX *ctx) { return 0; } |
| 2707 | int SSL_CTX_sess_connect_good(const SSL_CTX *ctx) { return 0; } |
| 2708 | int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2709 | int SSL_CTX_sess_accept(const SSL_CTX *ctx) { return 0; } |
| 2710 | int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2711 | int SSL_CTX_sess_accept_good(const SSL_CTX *ctx) { return 0; } |
| 2712 | int SSL_CTX_sess_hits(const SSL_CTX *ctx) { return 0; } |
| 2713 | int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx) { return 0; } |
| 2714 | int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; } |
| 2715 | int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; } |
| 2716 | int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2717 | |
| 2718 | int SSL_num_renegotiations(const SSL *ssl) { |
| 2719 | return SSL_total_renegotiations(ssl); |
| 2720 | } |
| 2721 | |
| 2722 | int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx) { return 0; } |
| 2723 | int SSL_need_tmp_RSA(const SSL *ssl) { return 0; } |
| 2724 | int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa) { return 1; } |
| 2725 | int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa) { return 1; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2726 | void ERR_load_SSL_strings(void) {} |
| 2727 | void SSL_load_error_strings(void) {} |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2728 | int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); } |
| 2729 | |
| 2730 | int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key) { |
| 2731 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2732 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2733 | return 0; |
| 2734 | } |
| 2735 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2736 | return SSL_CTX_set1_curves(ctx, &nid, 1); |
| 2737 | } |
| 2738 | |
| 2739 | int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key) { |
| 2740 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2741 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2742 | return 0; |
| 2743 | } |
| 2744 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2745 | return SSL_set1_curves(ssl, &nid, 1); |
| 2746 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2747 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2748 | void SSL_CTX_set_ticket_aead_method(SSL_CTX *ctx, |
| 2749 | const SSL_TICKET_AEAD_METHOD *aead_method) { |
| 2750 | ctx->ticket_aead_method = aead_method; |
| 2751 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame^] | 2752 | |
| 2753 | int SSL_set_tlsext_status_type(SSL *ssl, int type) { |
| 2754 | if (!ssl->config) { |
| 2755 | return 0; |
| 2756 | } |
| 2757 | ssl->config->ocsp_stapling_enabled = type == TLSEXT_STATUSTYPE_ocsp; |
| 2758 | return 1; |
| 2759 | } |
| 2760 | |
| 2761 | int SSL_set_tlsext_status_ocsp_resp(SSL *ssl, uint8_t *resp, size_t resp_len) { |
| 2762 | if (SSL_set_ocsp_response(ssl, resp, resp_len)) { |
| 2763 | OPENSSL_free(resp); |
| 2764 | return 1; |
| 2765 | } |
| 2766 | return 0; |
| 2767 | } |
| 2768 | |
| 2769 | size_t SSL_get_tlsext_status_ocsp_resp(const SSL *ssl, const uint8_t **out) { |
| 2770 | size_t ret; |
| 2771 | SSL_get0_ocsp_response(ssl, out, &ret); |
| 2772 | return ret; |
| 2773 | } |
| 2774 | |
| 2775 | int SSL_CTX_set_tlsext_status_cb(SSL_CTX *ctx, |
| 2776 | int (*callback)(SSL *ssl, void *arg)) { |
| 2777 | ctx->legacy_ocsp_callback = callback; |
| 2778 | return 1; |
| 2779 | } |
| 2780 | |
| 2781 | int SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg) { |
| 2782 | ctx->legacy_ocsp_callback_arg = arg; |
| 2783 | return 1; |
| 2784 | } |